記憶|きおくkioku[0]heiban (flat)
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- noun, suru verb, transitive verbmemory; recollection; remembrance
- noun, suru verb, transitive verb, computingmemory; storage
Conjugation
| Dictionary form | 記憶する(きおくする) |
|---|---|
| Polite (masu) | 記憶します(きおくします) |
| Negative (nai) | 記憶しない(きおくしない) |
| polite (masen) | 記憶しません(きおくしません) |
| classical zu / nu | 記憶せず・記憶せぬ(きおくせず・きおくせぬ) |
| Past (ta) | 記憶した(きおくした) |
| polite (mashita) | 記憶しました(きおくしました) |
| Past negative (nakatta) | 記憶しなかった(きおくしなかった) |
| polite (masen deshita) | 記憶しませんでした(きおくしませんでした) |
| Te form | 記憶して(きおくして) |
| Potential | 記憶できる(きおくできる) |
| Passive | 記憶される(きおくされる) |
| Causative | 記憶させる(きおくさせる) |
| Causative passive | 記憶させられる(きおくさせられる) |
| Conditional (ba) | 記憶すれば(きおくすれば) |
| tara | 記憶したら(きおくしたら) |
| Volitional | 記憶しよう(きおくしよう) |
| polite (mashou) | 記憶しましょう(きおくしましょう) |
| Imperative | 記憶しろ(きおくしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym覚えおぼえNeutralMemory or impression, as in 「覚えがない」; can also mean a superior's favor. More colloquial and everyday than 「記憶」.
- Synonym銘記めいきWrittenWritten/formal: to engrave something firmly in one's heart, with a solemn tone. 「記憶」 is just ordinary remembering.
- Related暗記あんきNeutralMemorizing by heart so you can recite without looking, as in 「単語を暗記する」. 「記憶」 is the broader act of remembering and what is remembered.
- Related物覚えものおぼえNeutralThe ability to learn and retain new things, as in 「物覚えが悪い」. 「記憶」 is the remembering itself and its content, not the ability.
- Related覚えるおぼえるNeutralVerb for memorizing or learning, the most common everyday choice. 「記憶する」 is more written and leans toward retaining what is remembered.
- RelatedメモリーNeutralLoanword mostly for computer memory, also for memories and mementos. 「記憶」 can also mean computer storage but sounds more written.
- Related想起そうきWrittenWritten/formal: calling something up from memory, recalling it. 「記憶」 stresses keeping it stored in the mind.
- Antonym忘却ぼうきゃくWrittenWritten/formal: to forget completely, as in 「忘却の彼方」. The opposite of 「記憶」, which keeps things in the mind.
- Antonym健忘けんぼうWrittenTendency to forget easily; in medicine a memory disorder, usually as 「健忘症」. The opposite of 「記憶」.
Use 「記憶」 for what is remembered or the state of remembering, as in 「記憶にない」. Say 「暗記」 for memorizing by heart, 「覚える」 for everyday remembering, 「物覚え」 for memory ability, and 「忘却」 for forgetting.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


