How to say "first" in Japanese

Choosing the right word
  • まずJLPT N4approx.Common
    adverbFor 'first of all; to begin with': the adverb that opens a sequence of actions or points, as in instructions, explanations, or plans. It is usually written in kana alone.
    まず第だい一いちに私はジムを訪たずねなければならない。↗
    First of all, I have to call on Jim.
  • 一番いちばんJLPT N5approx.Common
    no-adjectiveThe ranking sense of 'first': number one, first place. It fits when someone or something comes first among a set — winning or placing first — not for the opening step of a series.
  • 最初さいしょJLPT N4approx.Common
    no-adjective, adverbA noun for the beginning or outset of something: the earliest point or stage of an event, a period, or a process. It covers 'at first', pointing to time rather than rank.
    その考かんがえは最初さいしょのうちはばかげているように思おもえた。↗
    The idea seemed absurd at first.
  • 初はつJLPT N1approx.Common
    no-adjective, noun (prefix), noun (suffix)Expresses 'first' in the sense of a first occurrence or the first of its kind, with a nuance of newness. It works as a prefix in compounds rather than standing alone as 'first'.
    彼かれらはエベレストに初はつ登頂とうちょうした。↗
    They made first ascent of Mount Everest.
  • prenominal modifierThis is the English word 'first' taken into Japanese, written in katakana. It appears in loanwords and set phrases, but it is seldom the word you need to say 'first' in an ordinary sentence.

Pick 「まず」 to open a sequence of actions, 最初 for the beginning of an event or period, 一番 for first place or number one, 初 in compounds for a first occurrence, and 「ファースト」 in loanwords and set phrases.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
See also

JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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