一(ひと)つずつ

ひとつずつ

adverb

one by one; one at a time

1. one by one; one at a time; individually; each

Indicates doing something one item at a time, distributing one per person, or progressing step by step. Formed from 一(ひと)つ (one) and ずつ (each, apiece). Expresses methodical, careful, or sequential action.

一(ひと)つずつ確認(かくにん)する。

Check them one by one.

問題(もんだい)を一(ひと)つずつ解決(かいけつ)していこう。

Let's solve the problems one at a time.

お菓子(かし)を子供(こども)たちに一(ひと)つずつ配(くば)った。

I handed out one sweet to each of the children.

Composed of 一(ひと)つ (one) and ずつ (each, apiece — a distributive particle). Part of a productive pattern: 二(ふた)つずつ (two at a time), 三(みっ)つずつ (three at a time), etc.

Common collocations

一(ひと)つずつ確認(かくにん)する: to check one by one
一(ひと)つずつ片付(かたづ)ける: to deal with things one at a time
一(ひと)つずつ丁寧(ていねい)に: carefully, one at a time
一(ひと)つずつ進(すす)める: to proceed step by step

THE ずつ PATTERN:
The particle ずつ attaches to counters and quantity words to express equal distribution or gradual progression:

一(いち)枚(まい)ずつ: one sheet each
少(すこ)しずつ: little by little
一歩(いっぽ)ずつ: one step at a time
三(さん)人(にん)ずつ: three people per group

Similar words

一(いっ)個(こ)ずつ: one piece each — uses a different counter but the same meaning
少(すこ)しずつ: little by little — gradual rather than item-by-item
順番(じゅんばん)に: in order, in turn — emphasizes sequence rather than quantity

Related Words

Compare: 一個(いっこ)ずつ (one piece each)

Compare: 少(すこ)しずつ (little by little)

Compare: 順番(じゅんばん) (in order, in turn)

Compare: 順々(じゅんじゅん) (in order)

Compare: 個別(こべつ)に (individually)

general

Added 2026.4.18 23:37 · Revised 2026.9.2 13:02

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