How to say "closely" in Japanese

Choosing the right word
  • ぴったりJLPT N3approx.Common
    adverb (with と), suru verbCovers 'closely' in the sense of a snug, exact fit, with no gaps — things matching or hugging perfectly. Its nuance is tightness and precision rather than quantity, so it suits fitting, matching, or lining up exactly.
    彼女かのじょは夫おっとのそばにぴったり寄り添よりそっていた。↗
    She stood close to her husband.
  • adverb (with と)Used for 'closely' when things are packed, lined up, or filled with no spaces between them. The image is of many items arranged densely and continuously across a surface or area.
    ボイラは湯ゆあかがびっしりついた。↗
    The boiler was heavily scaled.
  • adverbHere 'closely' means examining or considering something with great care and attention, not physical closeness. As an adverb it often carries a nuance of doing so to an unusual degree, and it is usually written in kana alone.
    間違まちがいをしないようによくよく注意ちゅういしよう。↗
    Let's take the utmost caution against errors.
  • ぎっしりJLPT N2approx.Common
    adverb (with と)Covers 'closely' for things crammed or packed tightly together, emphasizing fullness and density. Compared with びっしり, it suggests a space filled to capacity, leaving little or no room.
    エレベーターにぎっしりいっぱいに乗のった。↗
    We jammed into the elevator.
  • じっくりJLPT N1approx.Common
    adverb (with と)Its glosses center on doing something slowly, carefully, and thoroughly, so 'closely' here means close attention rather than proximity. It is a marginal match for 'closely' and is really about unhurried thoroughness.
    じっくり彼かれに耳みみを貸かす者ものはいない。↗
    No one stops to listen to him.

For 'closely', choose the word by what is close: physical fit uses 「ぴったり」, dense packing 「びっしり」 or 「ぎっしり」, while careful attention is 「よくよく」 or 「じっくり」.

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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