思いつく・思い付く|おもいつくomoitsuku[4]nakadaka (mid-high)

JLPT N2approx.Common
Which spelling to use
思いつく思いつく is the most common written form and the recommended default for learners; use it in your own writing.
思い付く思い付く is a less common written variant of 思いつく; recognize it when you encounter it, but choose 思いつく for your own writing.
Definitions
  1. godan verb, transitive verb, intransitive verbto think of; to hit upon; to come into one's mind; to be struck with an idea
    いい考かんがえを思おもいついた。↗
    A good idea came into my mind.
  2. godan verb, transitive verb, intransitive verbto remember; to recall
Conjugation
Dictionary form思いつく(おもいつく)
Polite (masu)思いつきます(おもいつきます)
Negative (nai)思いつかない(おもいつかない)
polite (masen)思いつきません(おもいつきません)
classical zu / nu思いつかず・思いつかぬ(おもいつかず・おもいつかぬ)
Past (ta)思いついた(おもいついた)
polite (mashita)思いつきました(おもいつきました)
Past negative (nakatta)思いつかなかった(おもいつかなかった)
polite (masen deshita)思いつきませんでした(おもいつきませんでした)
Te form思いついて(おもいついて)
Potential思いつける(おもいつける)
Passive思いつかれる(おもいつかれる)
Causative思いつかせる(おもいつかせる)
Causative passive思いつかせられる・思いつかされる(おもいつかせられる・おもいつかされる)
Conditional (ba)思いつけば(おもいつけば)
tara思いついたら(おもいついたら)
Volitional思いつこう(おもいつこう)
polite (mashou)思いつきましょう(おもいつきましょう)
Imperative思いつけ(おもいつけ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • Synonym考えつくかんがえつくNeutralNeutral. Arriving at an idea through deliberate thought; 「思いつく」 stresses the sudden flash of inspiration.
  • Synonym思い及ぶおもいおよぶWrittenWritten/formal prose. Thinking of or considering as far as a certain point, as in 「そこまで思い及ばない」.
  • Related思い浮かべるおもいうかべるNeutralNeutral. Transitive: actively picturing scenes or faces in your mind; stresses deliberate imagination.
  • Related思い出すおもいだすNeutralNeutral. Recalling something you had forgotten; centers on memory, while 「思いつく」 centers on new ideas.
  • Related思い返すおもいかえすNeutralNeutral. Looking back on the past or rethinking something; can also mean changing your mind.
  • Antonym忘れるわすれるNeutralNeutral. To forget or lose from memory; the opposite of having something come to mind.
  • Antonym失念するWrittenWritten/formal prose. Momentarily forgetting something, as in 「名前を失念する」; carries a humble nuance.

Use 「思いつく」 when an idea pops into your head; 「考えつく」 for ideas worked out by thinking, 「思い出す」 for recalling something forgotten, and 「思い浮かべる」 for picturing something in your mind; 「忘れる」 is to forget.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. 考かんがえが心こころに浮うかぶ。
Kanji in this word
See also

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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