一度(いちど)に

いちどに
adverb
all at once, at one time
1. all at once, at one time
Doing or happening simultaneously rather than separately.
一度(いちど)に全部(ぜんぶ)食(た)べないで。
Don't eat everything at once.
一度(いちど)に三(さん)人(にん)来(き)た。
Three people came at once.
一度(いちど)に済(す)ませたい。
I want to finish it all at once.
2. in one go, at a stretch
Completing something without interruption.
一度(いちど)に読(よ)み終(お)えた。
I finished reading it in one go.
一度(いちど)にたくさん覚(おぼ)えようとしても難(むずか)しい。
It's hard to memorize a lot in one go.
階段(かいだん)を一度(いちど)に二段(にだん)ずつ上(あ)がった。
I went up the stairs two steps at a time.

一度(いちど)に means all at once or in one go — doing everything together rather than separately or gradually.

COMMON PATTERNS:

  • 一度(いちど)に + verb: do all at once
  • 一度(いちど)に済(す)ます: to finish all at once
  • 一度(いちど)にたくさん: a lot at once

TYPICAL USAGE:

  • 一度(いちど)に全部(ぜんぶ)食(た)べる: eat everything at once
  • 一度(いちど)に覚(おぼ)える: memorize all at once
  • 一度(いちど)に運(はこ)ぶ: carry in one trip

SIMILAR EXPRESSIONS:

  • 一度(いちど)に: all at once (emphasizes simultaneity or single attempt)
  • 一気(いっき)に: in one breath, at a stretch (emphasizes continuous momentum)
  • まとめて: together, in bulk (emphasizes grouping)

NOTE:
Do not confuse with 一度(いちど) (once, one time) without に.

Related Words

Synonym: 一気(いっき) (in one breath)
general
Added 2026.1.9 21:15 · Revised 2026.4.5 16:10
01500/01801_ichidoni