How to say "roughly" in Japanese

Choosing the right word
  • adverb (with と)For 'roughly' as a casual, approximate figure, or for doing something in a coarse, loose manner. Its onomatopoeic, colloquial flavor makes it at home in informal speech.
    それをざっくりと各かく工程こうていに割り振わりふったものです。↗
    I just roughly allocated it to each function.
  • およそJLPT N3approx.Common
    adverbThe neutral adverb for approximate numbers and amounts: 'roughly', 'about', 'approximately' before a quantity. This is usually the word you want when 'roughly' modifies a figure.
    およそどれくらいの価値かちがありますか。↗
    What's their approximate worth?
  • adverb (with と)Here 'roughly' means rough handling with a ripping or tearing sound, not approximation. For 'roughly = about', this is seldom the word you want; it is really the onomatopoeia for vigorous ripping and tearing.
  • 一応いちおうJLPT N2approx.Common
    no-adjective, adverbCovers 'roughly' as in 'more or less' or 'after a fashion': something is done, though not quite satisfactorily. It hedges how well something is done rather than estimating a quantity.
    ええ、先方せんぽうから一応いちおう返事へんじはありました。↗
    Yeah, there was some sort of reply from them.
  • だいたいJLPT N4approx.Common
    adverbFor 'roughly' as 'generally', 'on the whole' or 'mostly': broad approximations covering both quantities and general statements. It can also mean 'almost'.
    仕事しごとはだいたい終おわった。↗
    The work is mostly done.

For approximate figures use 「およそ」 or 「だいたい」; 「ざっくり」 gives a casual rough estimate or a coarse manner; 一応 means more or less, though not quite satisfactorily; 「バリバリ」 only when roughness involves ripping or tearing.

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

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

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