失効

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Japanese

Kanji in this term
失 効
しつ > しっ
Grade: 4 		こう
Grade: 5
on'yomi
Alternative spelling
失效 (kyūjitai)

Pronunciation

Noun

失(しっ)効(こう) • (shikkō) ←しつかう (situkau)?

  1. loss of effectiveness; expiration
    制度(せいど)の失効(しっこう)
    seido no shikkō
    expiration of an institution

Antonyms

Verb

失(しっ)効(こう)する • (shikkō suru) ←しつかう (situkau)?suru (stem 失(しっ)効(こう)し (shikkō shi), past 失(しっ)効(こう)した (shikkō shita))

  1. to lose effectiveness; to become expired

Conjugation

Conjugation of "失効する" (See Appendix:Japanese verbs.)
Katsuyōkei ("stem forms")
Mizenkei ("imperfective") 失効し しっこうし shikkō shi
Ren’yōkei ("continuative") 失効し しっこうし shikkō shi
Shūshikei ("terminal") 失効する しっこうする shikkō suru
Rentaikei ("attributive") 失効する しっこうする shikkō suru
Kateikei ("hypothetical") 失効すれ しっこうすれ shikkō sure
Meireikei ("imperative") 失効せよ¹
失効しろ² 		しっこうせよ¹
しっこうしろ² 		shikkō seyo¹
shikkō shiro²
Key constructions
Passive 失効される しっこうされる shikkō sareru
Causative 失効させる
失効さす 		しっこうさせる
しっこうさす 		shikkō saseru
shikkō sasu
Potential 失効できる しっこうできる shikkō dekiru
Volitional 失効しよう しっこうしよう shikkō shiyō
Negative 失効しない しっこうしない shikkō shinai
Negative continuative 失効せず しっこうせず shikkō sezu
Formal 失効します しっこうします shikkō shimasu
Perfective 失効した しっこうした shikkō shita
Conjunctive 失効して しっこうして shikkō shite
Hypothetical conditional 失効すれば しっこうすれば shikkō sureba
¹ Written imperative

² Spoken imperative

References

  1. ^ Matsumura, Akira, editor (2006), 大辞林 [Daijirin] (in Japanese), Third edition, Tokyo: Sanseidō, →ISBN
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