いかす

Japanese

Etymology 1

For pronunciation and definitions of いかす – see the following entry.

【生かす】

[verb] to bring to life, to revive, to resuscitate

[verb] to let live, to spare (one's life)

[verb] to make full use of (something), to capitalise on, to leverage (skills and etc)

Alternative spelling
活かす

(This term, いかす (ikasu), is the hiragana spelling of the above term.)

Etymology 2

From 行(い)かす (ikasu, “to make go”, causative of 行(い)く (iku)).^[1]

Pronunciation

IPA^(key): [ika̠sɨ]

Verb

いかす or イカす • (ikasu) godan (stem いかし (ikashi), past いかした (ikashita))

(slang) to be cool
- 2004 August 14, ヨガ鳥, “醤油戦士キッコーマン [Fight! Kikkoman]”, in yogatori.com‎^[1], archived from the original on 14 August 2004:
  
  大豆(だいず)の星(ほし)からやって来(き)たイカすあいつはキッコーマン
  daizu no hoshikara yatte kita ikasu aitsuha kikkōman
  He came from the planet of Soy - The cool guy, Kikkoman.

Conjugation

Conjugation of "いかす" (See Appendix:Japanese verbs)

Katsuyōkei ("stem forms")
Mizenkei ("imperfective")	いかさ	ikasa
Ren’yōkei ("continuative")	いかし	ikashi
Shūshikei ("terminal")	いかす	ikasu
Rentaikei ("attributive")	いかす	ikasu
Kateikei ("hypothetical")	いかせ	ikase
Meireikei ("imperative")	いかせ	ikase
Key constructions
Passive	いかされる	ikasareru
Causative	いかさせるいかさす	ikasaseru ikasasu
Potential	いかせる	ikaseru
Volitional	いかそう	ikasō
Negative	いかさない	ikasanai
Negative continuative	いかさず	ikasazu
Formal	いかします	ikashimasu
Perfective	いかした	ikashita
Conjunctive	いかして	ikashite
Hypothetical conditional	いかせば	ikaseba

Etymology 3

Alternative spelling
行かす

Pronunciation

IPA^(key): [ika̠sɨ]

Verb

いかす • (ikasu) ^{←いかす (ikasu)^?}

causative of いく (iku): to make go

Conjugation

Conjugation of "いかす" (See Appendix:Japanese verbs)

Katsuyōkei ("stem forms")
Mizenkei ("imperfective")	いかさ	ikasa
Ren’yōkei ("continuative")	いかし	ikashi
Shūshikei ("terminal")	いかす	ikasu
Rentaikei ("attributive")	いかす	ikasu
Kateikei ("hypothetical")	いかせ	ikase
Meireikei ("imperative")	いかせ	ikase
Key constructions
Passive	いかされる	ikasareru
Causative	いかさせるいかさす	ikasaseru ikasasu
Potential	いかせる	ikaseru
Volitional	いかそう	ikasō
Negative	いかさない	ikasanai
Negative continuative	いかさず	ikasazu
Formal	いかします	ikashimasu
Perfective	いかした	ikashita
Conjunctive	いかして	ikashite
Hypothetical conditional	いかせば	ikaseba

References

^ Matsumura, Akira, editor (1995), 大辞泉 [Daijisen] (in Japanese), First edition, Tokyo: Shogakukan, →ISBN