Translation and Meaning of: 有効 - yuukou

The word 「有効」 (yuukou) in Japanese is used to describe something that is effective, valid, or in force. It is composed of two kanji: 「有」 (yuu), which means "to exist" or "to have," and 「効」 (kou), which means "effectiveness" or "result." This combination gives us an idea of something that has an effectiveness or a result that is recognized or present.

If we look at the etymology of the kanji, 「有」 is often used to indicate possession or the presence of something. On the other hand, the kanji 「効」 is associated with the concept of utility or effect. Together, they convey the notion that something has an effective or utilitarian presence. These kanji are quite common in words related to validity or effectiveness, which reinforces the central idea that each one carries.

In everyday life, 「有効」 is an expression used in various contexts, from the validity of documents, such as identity cards or passports, to the effectiveness of medicines or teaching methods. This versatility makes the word functional in many situations, connecting aspects of legitimacy and practicality in daily life. It is interesting to note how the word is linked to both the concept of time — indicating that something is within the deadline — and the concept of function — meaning that something serves its purpose well.

Furthermore, 「有効」 can be found in legal and administrative contexts, such as in clauses of contracts that establish the validity of certain terms and conditions. In these cases, ensuring the "validity" or "effectiveness" of a statement or agreement is crucial for all parties involved to have their rights and duties clear and recognized. This illustrates how the word is vital in ensuring clarity and order in various formal arrangements.

Vocabulary

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Synonyms and similar words

• 有益 (Yūeki) - Useful, beneficial; something that brings advantage or gain.
• 有用 (Yūyō) - Useful; something that can be applied or that has practical value.
• 有力 (Yūryoku) - Strong; with influence or power, capable of making an impact.
• 有効性 (Yūkōsei) - Effectiveness; the property of being effective or having a positive effect.

有効

Romaji: yuukou
Kana: ゆうこう
Type: Adjective
L: jlpt-n3

Translation / Meaning: validity; availability; efficiency

Meaning in English: validity;availability;effectiveness

Definition: There is an effect or influence.

Example Sentences - (有効) yuukou

See below some example sentences:

解除された契約はもう有効ではありません。

Kaijo sareta keiyaku wa mou yuko de wa arimasen

A terminated contract is no longer valid.

The cancellation contract is no longer valid.

• 解除された - past tense of the verb 解除する (cancel, rescind)
• 契約 - noun meaning contract
• は - Topic particle
• もう - adverb meaning "no longer" or "no longer"
• 有効 - adjective meaning valid, effective
• ではありません - formal negation of the affirmative form である (to be, to be)

私のパスポートは有効期限が切れています。

Watashi no pasupōto wa yūkō kigen ga kirete imasu

My passport is expired.

My passport has expired.

• 私の - possessive pronoun "my"
• パスポート - noun "passport"
• は - Topic particle
• 有効期限 - noun "expiration date"
• が - subject particle
• 切れています - verb "to be overdue"

このクーポンは有効期限が切れています。

Kono kuupon wa yuukou kigen ga kirete imasu

This coupon has expired.

This coupon has expired.

• この - demonstrative pronoun meaning "this" or "this one"
• クーポン - a noun that means "coupon" or "voucher"
• は - topic particle that indicates the subject of the sentence, in this case, "the coupon"
• 有効期限 - compound noun that means "expiration date"
• が - subject particle that indicates the subject of the sentence, in this case, "the expiration date"
• 切れています - verb 切れる (kireru) in the te-form (切れて) followed by the verb いる (iru) in the politeness form, meaning "to be overdue" or "to be expired"