思(おも)い知(し)る

おもいしる
verb (godan, transitive)
to learn from experience; to realize; to come to know
1. to learn from experience; to come to realize; to be made aware
To deeply understand something through direct experience, often through hardship or failure.
健康(けんこう)の大切(たいせつ)さを思(おも)い知(し)った。
I learned the importance of health the hard way.
自分(じぶん)の力不足(ちからぶそく)を思(おも)い知(し)らされた。
I was made keenly aware of my own inadequacy.
Causative form: 思(おも)い知(し)らされる
失敗(しっぱい)して初(はじ)めて、その難(むずか)しさを思(おも)い知(し)った。
Only after failing did I truly understand how difficult it was.

TRANSITIVITY:
他動詞(たどうし) (transitive)
Pattern: [something]を思(おも)い知(し)る

ASPECT:
思(おも)い知(し)っている indicates having learned and retaining that understanding.

CONJUGATION:

  • 思(おも)い知(し)らない (negative)
  • 思(おも)い知(し)って (te-form)
  • 思(おも)い知(し)った (past)

CAUSATIVE:
思(おも)い知(し)らせる - to teach (someone) a lesson
思(おも)い知(し)らされる - to be made to realize

COLLOCATIONS:

  • 身(み)をもって思(おも)い知(し)る - to learn firsthand
  • 痛(いた)いほど思(おも)い知(し)る - to learn painfully
  • 思(おも)い知(し)らせてやる - I'll teach you a lesson!

COMPOUND VERB:
思(おも)う (think) + 知(し)る (know) → to come to know through thought/experience

Related Words

Related: 悟(さと)る (to realize)
general
Added 2026.1.19 12:02 · Revised 2026.1.19 21:17
07000/07173_omoishiru