Translation and Meaning of: 行為 - koui

If you are studying Japanese or are curious about the language, you may have come across the word 行為 [こうい]. It appears in various contexts, from everyday conversations to formal texts, and carries important nuances for those who want to understand Japanese culture. In this article, we will explore its meaning, origin, and practical usage, as well as tips to memorize it effectively.

Composed of the kanjis 行 (action) and 為 (to do), こうい is one of those words that may seem simple at first glance, but has interesting layers of meaning. Here at Suki Nihongo, we aim to explain not only the translation but also how the Japanese perceive and use this term in their daily lives. Shall we get started?

Meaning and translation of 行為

行為 [こうい] is generally translated as "action," "act," or "behavior." However, its scope goes beyond these basic definitions. While in Portuguese "ação" can be something generic, in Japanese it carries a more deliberate connotation, linked to intentionality. For example, 善い行為 (ii koui) means "good deed," but with a more explicit moral weight.

In legal or formal contexts, 行為 (koui) takes on an even more serious tone. Official documents may use expressions like 不法行為 (fuhou koui) to mean "illegal act," demonstrating how the term is linked to responsibility. This difference indicates that, when learning Japanese, it's not enough to memorize translations – one must understand the cultural context behind the words.

Origin and composition of kanjis

The etymology of 行為 reveals much about its current meaning. The first kanji, 行, represents "to go," "path," or "execution," while 為 means "to do" or "to cause." Together, they form the idea of an action that follows a purpose, something that has been done with intention. This combination is not random; it reflects how the Japanese language builds abstract from concrete concepts.

Curiously, 為 has a complex history. Originally used in China to indicate "for the benefit of," it has acquired a broader meaning of "transformative action" in Japanese. When we study the origin of kanjis, we realize how 行為 carries this duality: it is both the act itself and the impact it generates. This nuance is essential to use the word correctly.

Everyday use and practical examples

In daily life, the Japanese use 行為 in situations ranging from the trivial to the solemn. A mother might say そんな行為はやめなさい (sonna koui wa yamenasai) – "stop that behavior" – to reprimand a child. In ethical discussions, we hear 社会的行為 (shakaiteki koui), or "social action," demonstrating how the term adapts to different s.

It is worth noting that 行為 (koui) often appears in news and public debates. Phrases like 彼の行為は許せない (kare no koui wa yurusenai) – "his act is unforgivable" – demonstrate how the word is linked to moral judgments. For Japanese learners, observing these uses in articles or dramas helps to internalize when and how to use it naturally.

Tips for memorizing and not getting confused

An effective strategy to fix 行為 is to associate it with real situations. Since it frequently appears in contexts of responsibility, think of examples like g a contract (契約行為) or making a mistake (過失行為). Creating flashcards with these compounds helps to memorize not only the isolated word but also its ecosystem of use.

Avoid confusing 行為 with similar such as 行動 (koudou) or 活動 (katsudou). While these refer to "behavior" in a more physical sense or "activity," respectively, こうい has a greater focus on the intention behind the act. Recognizing these subtle differences is what separates a beginner student from someone who truly masters the language.

Vocabulary

Expand your vocabulary with related words:

Synonyms and similar words

  • 行動 (Koudou) - Action, behavior, active behavior.
  • 振る舞い (Furumai) - Behavior, way of acting, how a person behaves in a social situation.
  • 動作 (Dousa) - Movement, physical action (usually in a more technical or mechanical context).
  • 作用 (Sayou) - Effect, influence, especially in scientific contexts (such as chemistry or biology).
  • 活動 (Katsudou) - Activity, actions for a specific goal or occupation.
  • 手続き (Tetsuzuki) - Procedure, process, especially in istrative contexts.
  • 仕打ち (Shibuchi) - Treatment, the way someone is treated, or the act of doing something to someone.
  • 動き (Ugoki) - Movement, change of position or state.
  • 計略 (Keiryaku) - Strategy, a plan devised to deceive or achieve a goal.
  • 策略 (Sakuryaku) - Strategy, an action plan that considers various possibilities and tactics.
  • 策 (Saku) - Measure, plan, idea, usually in a strategic context.

Related words

デモンストレーション

demonsutore-syon

demonstration

セックス

sekusu

sexual relations

カンニング

kanningu

cunning; cheating

悪者

warumono

Bad Companion; Rascal; Ruffian; Scoundrel

呼び掛ける

yobikakeru

to call for; to address; to manage (crowd)

見苦しい

migurushii

unpleasant; ugly

真似る

maneru

imitate

拭く

fuku

clean; dry

hitoe

a layer; single

馬鹿馬鹿しい

bakabakashii

stupid

行為

Romaji: koui
Kana: こうい
Type: noun
L: jlpt-n1

Translation / Meaning: act; action; conduct

Meaning in English: act;deed;conduct

Definition: do something

Quick Access
- Vocabulary
- Writing
- Sentences

How to Write in Japanese - (行為) koui

See below a step-by-step guide on how to write the word by hand in Japanese. (行為) koui:

Example Sentences - (行為) koui

See below some example sentences:

行為には責任が伴います。

Gyōi ni wa sekinin ga tomonai masu

Actions come with responsibility.

The act is responsible.

  • 行為 (kōi) - action, behavior
  • には (ni wa) - particle indicating the existence of a relationship between two things
  • 責任 (sekinin) - responsibility
  • が (ga) - particle that indicates the subject of the sentence
  • 伴います (tomoniimasu) - accompany, be with
Translation - "Actions are accompanied by responsibility."
違反は法律に違反する行為です。

Ihan wa hōritsu ni ihan suru kōi desu

A violation is an act that violates the law.

  • 違反 - violation
  • は - Topic particle
  • 法律 - law
  • に - target particle
  • 違反する - violate
  • 行為 - after
  • です - Verb to be/estar in the present
警察は違法行為を取り締まるために活動しています。

Keisatsu wa ihō kōi o torishimaru tame ni katsudō shiteimasu

The police are working to crack down on illegal activities.

The police are working to crack down on illegal activities.

  • 警察 - keisatsu (police)
  • は - wa (topic particle)
  • 違法行為 - ihou koui (illegal activities)
  • を - wo (direct object particle)
  • 取り締まる - torishimaru (regulatory)
  • ために - tameni (to)
  • 活動しています - katsudou shiteimasu (are active)
脅迫は許されない行為です。

Kyōhaku wa yurusarenai kōi desu

Coercion is an unacceptable act.

Threatening is an unacceptable act.

  • 脅迫 (kyōhaku) - Threats, intimidation
  • は (wa) - Topic particle
  • 許されない (yurusarenai) - Not allowed, not acceptable
  • 行為 (kōi) - behavior, action
  • です (desu) - Sentence-ending particle
濫用は許されない行為です。

Ranyou wa yurusarenai koui desu

Abuse is not permissible conduct.

Abuse is an unacceptable act.

  • 濫用 - abuse
  • は - Topic particle
  • 許されない - not allowed
  • 行為 - after
  • です - is
暗殺は悪質な行為です。

Ansatsu wa akushitsu na kōi desu

Murder is a malicious act.

Murder is a malicious act.

  • 暗殺 (ansatsu) - murder
  • は (wa) - Topic particle
  • 悪質 (akushitsu) - malicious, evil
  • な (na) - adjective particle
  • 行為 (kōi) - act, action
  • です (desu) - polite way of being
卑怯な行為は許されない。

Hikyou na koui wa yurusarenai

Cowardly actions are not allowed.

Cowardly acts are not allowed.

  • 卑怯な - coward, unfaithful
  • 行為 - action, behavior
  • は - Topic particle
  • 許されない - not allowed, not tolerated
危害を与える行為は許されません。

Kigai wo ataeru koui wa yurusaremasen

Actions that cause harm are not allowed.

The act of harming is not allowed.

  • 危害を与える行為 - Action that causes damage
  • は - Topic particle
  • 許されません - Not allowed
中傷は許されない行為です。

Chūshō wa yurusarenai kōi desu

Defaming others is unacceptable behavior.

Slavery is an unacceptable act.

  • 中傷 - defamation
  • は - Topic particle
  • 許されない - not allowed
  • 行為 - action
  • です - Verb to be/estar in the present
不正な行為は許されない。

Fusei na kōi wa yurusarenai

Illegal behavior is not allowed.

Unauthorized acts are not allowed.

  • 不正な - means "illegal" or "inappropriate".
  • 行為 - It means "act" or "action".
  • は - It is a grammatical particle that indicates the topic of the sentence.
  • 許されない - It means "not allowed" or "not tolerated".

Other Words of this Type: noun

See other words from our dictionary that are also: noun

帰宅

kitaku

Going home

還暦

kanreki

60th anniversary

kinu

silk

小屋

koya

hut; shelter; shed; surrounded (by animals)

親指

oyayubi

thumb

行為