(こま)らせる

こまらせる
verb
to cause trouble for; to embarrass; to put in a difficult position
Conjugation
AffirmativeNegative
Present(こま)らせる(こま)らせない
Present polite(こま)らせます(こま)らせません
Past(こま)らせた(こま)らせなかった
Past polite(こま)らせました(こま)らせませんでした
て form(こま)らせて(こま)らせなくて
ている present(こま)らせている(こま)らせていない
ている polite(こま)らせています(こま)らせていません
ている past(こま)らせていた(こま)らせていなかった
ている past polite(こま)らせていました(こま)らせていませんでした
Conditional ば(こま)らせれば(こま)らせなければ
Conditional たら(こま)らせたら(こま)らせなかったら
Volitional(こま)らせよう
Volitional polite(こま)らせましょう
Potential(こま)らせられる(こま)らせられない
Passive(こま)らせられる(こま)らせられない
Causative(こま)らせさせる(こま)らせさせない
Imperative(こま)らせろ(こま)らせるな
1. to cause trouble for; to embarrass; to put in a difficult position
To make someone feel troubled, embarrassed, or at a loss by one's actions or words.
(ひと)(こま)らせてはいけない。
You shouldn't cause trouble for others.
()どもが先生(せんせい)(こま)らせた。
The child gave the teacher a hard time.
そんな(むずか)しい質問(しつもん)をされたら(こま)らせることになるよ。
Asking such a difficult question will put them in an awkward position.
(おや)(こま)らせるようなことはしないでほしい。
I don't want you to do things that trouble your parents.

Causative form of (こま)る (to be troubled; to be at a loss). While (こま)る describes the state of being troubled, (こま)らせる assigns agency — someone is actively causing the trouble. Very common in parenting, teaching, and relationship contexts.

COMMON COLLOCATIONS:

  • (ひと)(こま)らせる: to trouble someone
  • (おや)(こま)らせる: to trouble one's parents
  • 先生(せんせい)(こま)らせる: to give the teacher a hard time
  • (こま)らせるつもりはない: I don't intend to cause trouble

SIMILAR WORDS:

  • 迷惑(めいわく)をかける: to cause inconvenience — focuses on the burden placed on others; more formal
  • (なや)ませる: to worry; to distress — implies deeper emotional distress rather than practical trouble
  • ()()かせる: to give someone a hard time — implies ongoing difficulty, often with a child or subordinate