(つぶ)

つぶす
godan verb
to crush; to smash; to kill (time); to waste
See also: (つぶ)れる (intransitive)
Conjugation
AffirmativeNegative
Present(つぶ)(つぶ)さない
Present polite(つぶ)します(つぶ)しません
Past(つぶ)した(つぶ)さなかった
Past polite(つぶ)しました(つぶ)しませんでした
て form(つぶ)して(つぶ)さなくて
ている present(つぶ)している(つぶ)していない
ている polite(つぶ)しています(つぶ)していません
ている past(つぶ)していた(つぶ)していなかった
ている past polite(つぶ)していました(つぶ)していませんでした
Conditional ば(つぶ)せば(つぶ)さなければ
Conditional たら(つぶ)したら(つぶ)さなかったら
Volitional(つぶ)そう
Volitional polite(つぶ)しましょう
Potential(つぶ)せる(つぶ)せない
Passive(つぶ)される(つぶ)されない
Causative(つぶ)させる(つぶ)させない
Imperative(つぶ)(つぶ)すな
1. to crush; to smash; to squash
To press or squeeze something until it is flattened or destroyed.
I crushed the empty can with my foot.
I crush tomatoes to make sauce.
I flattened the cardboard box before throwing it away.
2. to kill (time); to while away
To spend time in an idle or unproductive way.
I killed time at a café while waiting for the train.
I killed time reading a magazine.
I went for a walk to kill time.
3. to waste; to ruin; to spoil
To destroy the value or potential of something.
I wasted a great opportunity.
It would be a waste to ruin that talent.
I ruined my body with excessive training.
4. to shut down; to close (a business)
To cause a business or organization to fail.
I had to close my shop because of the recession.
Debts piled up and the company went under.
A management mistake caused the long-established business to close.

(つぶ)す is transitive (他動詞(たどうし)). The intransitive pair is (つぶ)れる (to be crushed, to collapse).

ASPECT ({ている}):
(つぶ)している indicates an ongoing action of crushing, or a progressive state of wasting.

COMMON PATTERNS:

PARTICLE PATTERNS:

  • ~を(つぶ)す: The object being crushed/wasted
  • ~で(つぶ)す: The means of crushing

This verb is very versatile and appears in many idiomatic expressions.