Korea Police Exam study materials
Korea Police Exam study resources

Korea Police Exam key terms

Korea Police Exam · Get comfortable with the vocabulary.

음운 변동 (phonological rule application)

The set of regular sound changes that Korean morphemes undergo when combined, such as nasalization, tensification, aspiration, and palatalization. Questions typically ask which rule applies to a given word or why a spelled form differs from its pronunciation.

Related: 표준 발음법, 형태소
표준 발음법 (Standard Pronunciation Rules)

The regulation issued by the National Institute of Korean Language prescribing correct pronunciation of standard Korean, covering consonant assimilation, final-consonant neutralization, and liaison. Exam items test whether a candidate can apply these rules to written words rather than memorizing the text.

Related: 음운 변동 (phonological rule application), 받침
형태소 (morpheme)

The smallest meaningful unit of language, either free (standing alone) or bound (attached to another form). Candidates must distinguish grammatical morphemes from lexical ones and count morphemes in a word, a frequent exam task.

Related: 음운 변동 (phonological rule application), 품사
품사 (part of speech)

The classification of words into categories such as noun, pronoun, numeral, verb, adjective, modifier, and particle. Items ask candidates to identify the part of speech of a highlighted word or to classify a word whose category changes with use.

Related: 형태소, 서술어
문장 성분 (sentence constituent)

The functional slots a phrase fills in a sentence: subject, predicate, object, complement, adverbial, and independent elements. Questions often require identifying a constituent's grammatical role or judging whether an omitted element is recoverable.

Related: 서술어, 호응
서술어 (predicate)

The sentence constituent that expresses the action, state, or property attributed to the subject, typically realized by a verb or adjective. Exam items test whether the predicate's argument structure matches the number and type of accompanying constituents.

Related: 문장 성분 (sentence constituent), 호응
호응 (agreement / concord)

The requirement that grammatically related elements match each other, for example a subject with its predicate honorific or a negative adverb with a compatible predicate. Ill-formed sentences in exam passages often violate this constraint.

Related: 서술어, 문장 성분 (sentence constituent)
높임 표현 (honorific expression)

Linguistic devices that raise the referent's status, including subject honorific infix -시-, special honorific vocabulary such as 진지 for 밥, and address forms. Items test whether honorific marking is used consistently and whether object or hearer honorifics are confused.

Related: 호응, 어휘 선택
어휘 선택 (word choice)

Choosing vocabulary appropriate to meaning and context, including distinguishing confusable pairs such as 되/돼, 안/않, and 금세/금새. The exam presents sentences containing a misused word and asks for the correct replacement.

Related: 높임 표현 (honorific expression), 한글 맞춤법
한글 맞춤법 (Korean orthography)

The national spelling regulation governing Hangul writing, including rules for final consonants, suffixes, and spacing. Items require correcting a misspelling or deciding whether a form follows the principle of writing according to sound or according to grammar.

Related: 어휘 선택, 띄어쓰기
띄어쓰기 (word spacing)

The rule that separates words with spaces while keeping particles attached to the preceding word. Exam questions present a phrase with spacing errors and ask which rendering is correct, often involving auxiliary verbs and dependent nouns.

Related: 한글 맞춤법, 의존 명사
의존 명사 (dependent noun)

A noun that cannot stand alone and requires a preceding modifier, such as 것, 수, 때, and 바. Because dependent nouns are written with a preceding space while bound suffixes are not, they are a frequent target in spacing questions.

Related: 띄어쓰기, 품사
중세 국어 (Middle Korean)

The Korean of the Goryeo and early Joseon periods, attested in documents such as Hunminjeongeum Haerye, characterized by tone marks, the letter ㆍ, and distinct case particles. Items ask candidates to read a short passage and identify grammatical features or meanings.

Related: 훈민정음, 근대 국어
근대 국어 (Modern Korean)

The Korean used from roughly the seventeenth to nineteenth centuries, marked by loss of tone dots, changes in vowel letters, and the emergence of new particles and endings. Exam passages in this stage test recognition of transitional forms.

Related: 중세 국어 (Middle Korean), 훈민정음
훈민정음 (Hunminjeongeum)

The script created in 1443 and promulgated in 1446 under King Sejong, explained in the Haerye commentary with principles of vowel and consonant letter design. Exam items ask about the date, purpose, and design philosophy recorded in that text.

Related: 중세 국어 (Middle Korean), 세종
세종 (King Sejong)

The fourth Joseon king, who reigned 1418 to 1450 and oversaw the creation of Hunminjeongeum, compilation of agricultural and medical manuals, and expansion into the northern frontier. Items test his policies and the institutions he established.

Related: 훈민정음, 집현전
집현전 (Jiphyeonjeon)

A royal research and advisory academy established under King Sejong in 1420, staffed by scholars who assisted in compiling works and drafting policy. Questions ask about its functions, its scholars, and its later abolition.

Related: 세종, 조선 세조
조선 세조 (King Sejo of Joseon)

A Joseon king who seized the throne in 1455 from his nephew Danjong and strengthened royal authority, while also promoting Buddhism and compiling the Grand Code of Administration. Items ask about the political upheaval surrounding his accession.

Related: 집현전, 경국대전
경국대전 (Gyeongguk Daejeon)

The comprehensive legal code of Joseon, completed and promulgated in 1485 during King Seongjong's reign, covering administration, taxation, and punishment. Questions test its contents, the process of its compilation, and its significance for bureaucratic rule.

Related: 조선 세조, 조선 성종
조선 성종 (King Seongjong of Joseon)

A Joseon king under whom the Gyeongguk Daejeon was finalized and the Hongmungwan academy was established, and whose reign saw conflict between royal officials and scholars. Items ask about his institutional achievements.

Related: 경국대전, 홍문관
홍문관 (Hongmungwan)

A Joseon royal library and advisory office established in 1478, staffed by scholars who lectured the king and drafted documents. Exam items ask about its role in the tri-office system and its relation to earlier institutions.

Related: 조선 성종, 사헌부
사헌부 (Saheonbu)

The Joseon office of the inspector general, responsible for monitoring officials, correcting misgovernment, and participating in audits, one of the three offices with the power to remonstrate. Items test its duties and its checks on royal authority.

Related: 홍문관, 사간원
사간원 (Saganwon)

The Joseon office of remonstrance, whose officials criticized royal edicts and personnel appointments and could return documents to the king. Questions ask how it shared the function of remonstration with the Saheonbu and Hongmungwan.

Related: 사헌부, 홍문관
임진왜란 (Imjin War)

The Japanese invasion of Joseon that began in 1592 and lasted until 1598, causing massive destruction and the dispatch of Ming forces. Items ask about major battles, the role of naval commander Yi Sun-sin, and the war's aftermath.

Related: 이순신, 훈련도감
이순신 (Yi Sun-sin)

A Joseon naval commander whose fleet defeated Japanese forces in engagements including Hansan Island and Myeongnyang, using superior knowledge of tides and terrain. Questions test his battles, his dismissal and reinstatement, and his final death at Noryang.

Related: 임진왜란 (Imjin War), 한산도 대첩
한산도 대첩 (Battle of Hansan Island)

A 1592 naval victory in which Yi Sun-sin's fleet used the crane-wing formation to encircle and defeat a larger Japanese force. Items ask about the tactics used and the battle's effect on control of southern sea routes.

Related: 이순신, 임진왜란 (Imjin War)
훈련도감 (Hunryeondogam)

A military agency established during the Imjin War to train a standing army of salaried soldiers, becoming a central military institution of late Joseon. Items ask about its founding, its funding, and its role in the development of a professional army.

Related: 임진왜란 (Imjin War), 속오군
속오군 (Sogo Army)

A late-sixteenth-century local militia system that conscripted commoners as well as yangban into provincial defense units. Questions test its creation, its social significance in broadening military service, and its eventual decline.

Related: 훈련도감
헌법 (Constitution)

The supreme law of the Republic of Korea, defining state organs, fundamental rights, and the framework for legislation and judicial review. Items in the police exam ask which statute or ordinance is compatible with constitutional provisions and principles.

Related: 국가공무원법, 경찰관 직무집행법
국가공무원법 (State Public Officials Act)

The statute governing appointment, duties, discipline, and political neutrality of national public officials, including police officers. Exam items test provisions such as the duty of confidentiality, prohibition of political activity, and grounds for disciplinary action.

Related: 헌법 (Constitution), 경찰공무원법
경찰공무원법 (Police Officials Act)

The special statute regulating the status, appointment, promotion, and discipline of police officials, supplementing the State Public Officials Act. Items ask about rank structure, eligibility, and procedures that differ from general civil service rules.

Related: 국가공무원법, 경찰관 직무집행법
경찰관 직무집행법 (Act on the Performance of Duties by Police Officers)

The statute authorizing police measures such as warnings, stops, protection of persons, and use of force, while setting conditions and limits on each. Items test the requirements for lawful intervention and the remedies available to affected citizens.

Related: 경찰공무원법, 위험방지
위험방지 (prevention of danger)

Police action taken against a probable danger to public order before harm occurs, distinguished from law enforcement responding to an already committed offense. Questions ask whether a given situation calls for preventive measures and which statutory basis applies.

Related: 경찰관 직무집행법, 비례의 원칙
비례의 원칙 (principle of proportionality)

The constitutional requirement that state action be suitable, necessary, and proportionate in the narrow sense, meaning no less restrictive alternative exists and the burden does not outweigh the benefit. Items test whether police measures exceed these limits.

Related: 위험방지, 재량권
재량권 (discretionary power)

Authority granted to an administrative agency to choose among lawful courses of action, subject to limits such as abuse of power and failure to exercise discretion. Items ask whether a police decision exceeded or improperly declined discretion.

Related: 비례의 원칙, 위험방지
구성요건 (elements of an offense)

The statutory description of the conduct, circumstances, and result that constitute a particular crime, to which unlawfulness and culpability are then added. Items require classifying facts against the elements of a specific offense.

Related: 위법성, 책임
위법성 (unlawfulness)

The quality of an act that contravenes the legal order, absent a justifying ground such as self-defense, necessity, or consent. Exam items ask whether facts establish a justification that negates the unlawfulness of otherwise criminal conduct.

Related: 구성요건, 정당방위
책임 (culpability)

The personal blameworthiness of an offender, requiring capacity, awareness of wrongdoing, and expectation of lawful conduct. Items test whether a defense such as intoxication or mistake negates culpability rather than the elements of the offense.

Related: 구성요건, 위법성
정당방위 (self-defense)

A justification for an act taken to defend oneself or another against an ongoing unlawful infringement, requiring the defense to be necessary and within reasonable limits. Items test the requirements and the distinction from excessive defense.

Related: 위법성, 과잉방위
과잉방위 (excessive defense)

A defensive act that exceeds the bounds of necessity or reasonableness, which may reduce or eliminate punishment depending on whether the excess arose from fear or surprise. Items ask about the legal effect of the excess.

Related: 정당방위, 책임
공범 (accomplice)

A person who participates in another's crime as a co-principal, instigator, or accessory, each with distinct requirements for liability. Items test whether a participant's conduct supports joint principal liability or only aiding.

Related: 공동정범, 교사범
공동정범 (joint principal)

Two or more persons who jointly commit a crime through a common plan and functional division of roles, each liable as a principal. Items ask whether shared intent and role contribution are sufficient for joint principal liability.

Related: 공범, 교사범
교사범 (instigator)

A person who induces another to commit a crime, liable only if the induced person actually carries out the offense or at least begins it. Items test the requirement of completed instigation and the effect of the principal's refusal.

Related: 공범, 공동정범
강제수사 (compulsory investigation)

Investigative measures that restrict fundamental rights, such as arrest, search, and seizure, requiring a warrant or another statutory basis. Items ask whether a given measure needed a warrant and whether the procedure was lawful.

Related: 영장주의, 임의수사
임의수사 (voluntary investigation)

Investigation conducted with the subject's consent or cooperation, such as voluntary questioning or submission of evidence, without coercive measures. Items test the boundary between voluntary and compulsory measures and the effect of consent.

Related: 강제수사, 영장주의
영장주의 (warrant requirement)

The constitutional rule that arrests, searches, and seizures require a warrant issued by a judge upon showing probable cause, with limited exceptions such as flagrant offenders. Items test the exceptions and the consequences of a defective warrant.

Related: 강제수사, 체포
체포 (arrest)

The physical restraint of a suspect for a limited period, distinguished from detention pending prosecution, and subject to time limits and notification duties. Items ask about the permissible duration and the required notice to family or counsel.

Related: 영장주의, 구속
구속 (detention)

Custody of a suspect or defendant ordered by a judge after review, lasting up to statutory limits and subject to extension only on defined grounds. Items test the grounds, procedures, and review mechanisms for detention.

Related: 체포, 구속적부심사
구속적부심사 (review of legality of detention)

A procedure by which a detained suspect or his counsel asks a court to examine whether the detention is lawful or necessary, potentially leading to release. Items ask about who may apply, the timing, and the effect of the court's decision.

Related: 구속, 영장주의
증거능력 (admissibility of evidence)

The legal qualification of evidence to be used in fact-finding, requiring relevance, authenticity, and lawful acquisition. Items ask whether evidence obtained through an illegal search or coerced confession can be admitted.

Related: 위법수집증거배제, 자백
위법수집증거배제 (exclusion of illegally obtained evidence)

The rule that evidence gathered in violation of statutory procedure may not be admitted, subject to exceptions such as independent source or inevitable discovery. Items test whether a procedural defect triggers exclusion.

Related: 증거능력, 강제수사
자백 (confession)

An admission by a suspect or defendant of the facts constituting the offense, which requires corroboration and voluntariness to support conviction. Items ask whether a confession was obtained under coercion or whether corroborating evidence exists.

Related: 증거능력, 위법수집증거배제