決める
きめる

to decide

N4Ichidan (Ru-verb / Group 2)transitive

To decide or determine something. An ichidan verb commonly used for making decisions.

Complete Conjugation of 決める

Dictionary (辞書形)
Base form found in dictionaries
決める
Polite (ます形)
Standard polite form
決めます
Negative (ない形)
Casual negative
決めない
Past (た形)
Past tense, casual
決めた
Te-form (て形)
Connecting form — requests, progressive
決めて
Potential (可能形)
Ability — 'can do'
決められる
Volitional (意向形)
Intention — 'let's do'
決めよう
Passive (受身形)
Action done to the subject
決められる
Causative (使役形)
Make/let someone do
決めさせる
Conditional (仮定形)
If / when condition
決めれば
Imperative (命令形)
Direct command (casual/rough)
決めろ

Example Sentences

何を食べるか決めましたか?
なにをたべるかきめましたか?
Have you decided what to eat?
自分で決めます。
じぶんできめます。
I'll decide myself.
日にちを決めましょう。
ひにちをきめましょう。
Let's set a date.

Usage Notes

決まる (kimaru) is the intransitive pair meaning 'to be decided'.

Related Verbs

Practice using 決める in real conversations

Master verb conjugation naturally through AI-powered Japanese scenarios.

Start Learning Free