有効
ゆうこう
yuukou
JLPT N3adjectiveVocabularyLevel 26 - JLPT N3
Quick answer
有効 (ゆうこう (yuukou)) means "Valid". The reading is ゆうこう (yuukou). Audio pronunciation and kanji breakdown are below.
Meaning
Valid
Also : Effective
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Example Sentences
このチケットは来月末まで有効だから、忘れずに使うようにしてください。
このチケットはらいげつまつまでゆうこうだから、わすれずにつかうようにしてください。
This ticket is valid until the end of next month, so make sure to use it before then.
Kanji in this word
Grammar to study at this level
- [Verb dictionary/nai form] + ように～ように (you ni) - So that
- [Verb dictionary form] + ことにする～ことにする (koto ni suru) - Decide to
- [Verb dictionary form] + ことになる～ことになる (koto ni naru) - It has been decided that
- [Noun/Verb te-form] + ばかり～ばかり (bakari) - Only / Nothing but
- [Verb/Adjective plain form] + はずだ～はずだ (hazu da) - Should be / It is expected
Last updated Jul 22, 2026
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