逐ちく一いち

also: ちくいつ

ち

く

い

ち

Common wordJLPTN1Freq.FrequencyTop 50,000

Meanings

1

adverb

Used when going through items, points, or details individually and exhaustively. Often appears with verbs like 説明する, 報告する, 調べる, or 指摘する.

は

会かい

議ぎ

の

内ない

容よう

を

逐ちく

一いち

ノート

に

書か

き

留と

め

た

。

He noted down the meeting details minutely.

逐一Usage99%
- ちくいち
  Standard kanji spelling; the reading ちくいち is the modern norm.
- ちくいつ
  Older reading; rarely used in modern Japanese.
ちくいちUsage1%
Kana spelling is common in everyday writing, especially when the kanji is not needed.
ちくいつUsage1%

一ひとつ一ひとつ
一つ一つ also means 'one by one' but emphasizes handling items individually, while 逐一 stresses exhaustive, detailed coverage.
詳しょう細さいに
詳細に means 'in detail' and is more formal; 逐一 implies a step-by-step, itemized approach.

Compound of 逐 (chase, pursue, one by one) and 一 (one). The reading ちくいち is the standard modern form; ちくいつ is an older variant.