How to say "swell" in Japanese

Choosing the right word
  • 盛り上がるもりあがるJLPT N1approx.Common
    godan verb, intransitive verbFor swell as an upward rise or bulge: something swells by heaping or pushing up from a surface, like a bump rising on the skin or a mound of earth, rather than puffing outward.
    火山かざん活動かつどうで地面じめんが盛り上もりあがった。↗
    The surface of the earth rose due to the volcanic activity.
  • 高まるたかまるJLPT N1approx.Common
    godan verb, intransitive verbCovers swell in the figurative sense: feelings, tension, or enthusiasm that swells and rises. Use it when excitement or anticipation builds; it is not the word for a swollen ankle or inflamed skin.
    歓呼かんこの声こえはどよめきにまで高たかまった。↗
    The cheers swelled to a roar.
  • 膨らむふくらむJLPT N2approx.Common
    godan verb, intransitive verbThe broadest of these for swell in the sense of expanding or puffing out: balloons, cheeks, and clouds swell as they fill, and hopes or expectations can swell figuratively.
    一陣いちじんの風かぜをうけて帆ほがふくらんだ。↗
    A gust of wind swelled the sails.
  • 腫れるはれるJLPT N1approx.Common
    ichidan verb, intransitive verbCovers swell in the physical, medical sense: flesh becomes swollen from inflammation, injury, or infection. Think of a sprained ankle, an inflamed throat, or an insect bite swelling up.
    扁桃腺へんとうせんがはれている気きがするのですが。↗
    I'm afraid my tonsils are swollen.
  • 膨れるふくれるJLPT N1approx.Common
    ichidan verb, intransitive verbLike 膨らむ, it covers swell (out), but it tends to picture something puffed or distended: a belly swollen after a big meal, or cheeks puffed out in a pout.
    たくさん食たべたので腹はらが膨ふくれた。↗
    I've had enough, so my stomach is full.

Use 「腫れる」 for swollen flesh, 「盛り上がる」 for something swelling or bulging upward, 「膨らむ」 and 「膨れる」 for things puffing out or inflating, and 「高まる」 for feelings or tension that swell figuratively.

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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