膨れる・脹れる|ふくれるfukureru[0]heiban (flat)

JLPT N1approx.Common
Which spelling to use
膨れる膨れる(ふくれる) is the common and recommended written form; beginners should use it as their default when writing this word.
脹れる脹れる(ふくれる) is a rarely used written variant, so learners will seldom encounter it and generally need only recognize it.
Definitions
  1. ichidan verb, intransitive verbto swell (out); to expand; to be inflated; to distend; to bulge
    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.
  2. ichidan verb, intransitive verbto get cross; to get sulky; to pout
Conjugation
Dictionary form膨れる(ふくれる)
Polite (masu)膨れます(ふくれます)
Negative (nai)膨れない(ふくれない)
polite (masen)膨れません(ふくれません)
classical zu / nu膨れず・膨れぬ(ふくれず・ふくれぬ)
Past (ta)膨れた(ふくれた)
polite (mashita)膨れました(ふくれました)
Past negative (nakatta)膨れなかった(ふくれなかった)
polite (masen deshita)膨れませんでした(ふくれませんでした)
Te form膨れて(ふくれて)
Potential膨れられる(ふくれられる)
Passive膨れられる(ふくれられる)
Causative膨れさせる(ふくれさせる)
Causative passive膨れさせられる(ふくれさせられる)
Conditional (ba)膨れれば(ふくれれば)
tara膨れたら(ふくれたら)
Volitional膨れよう(ふくれよう)
polite (mashou)膨れましょう(ふくれましょう)
Imperative膨れろ(ふくれろ)

Common forms generated by rule; see the senses for honorific or irregular usage.

Transitive / intransitive pair
intransitive膨れるふくれる⇄transitive膨らますふくらます
パンが膨ふくれる
膨れる expresses that something swells or rises by itself, while 膨らます focuses on the act of making it expand.

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

Synonyms & antonyms
  • Synonym膨らむふくらむNeutralDescribes bulging or swelling out, and figuratively hopes that swell. 「膨れる」 also covers a stuffed belly and sulking in anger.
  • Synonym膨張ぼうちょうWrittenA written-style noun for expansion in volume or size. 「膨れる」 is a verb and sounds more colloquial.
  • Synonym腫れるはれるNeutralRefers to red, inflamed swelling from injury or illness, as in 「目が腫れる」. 「膨れる」 focuses on something bulging outward.
  • Synonym膨れ上がるふくれあがるNeutralSuggests swelling up to a very large size, or numbers ballooning, as in 「予算が膨れ上がる」. Unlike 「膨れる」, it never refers to sulking or pouting.
  • SynonymむくむNeutralRefers to puffiness from fluid retention, as in 「顔がむくむ」. 「膨れる」 focuses on something bulging outward.
  • Synonym膨潤ぼうじゅんWrittenA written chemistry term for swelling caused by absorbing water. 「膨れる」 is the more colloquial choice.
  • AntonymしぼむNeutralThe opposite of 「膨れる」 in bulging versus deflating: it describes things wilting, withering or going limp.
  • Antonym凹むへこむNeutralStands opposite to 「膨れる」 as denting versus bulging: it describes a surface caving in or sinking inward.
  • Antonym痩せるやせるNeutralMeans becoming thin or slim, roughly the reverse of 「膨れる」's bulging out, though not a strict antonym.
  • Antonym窪むくぼむNeutralAlso contrasts with 「膨れる」 as sinking versus bulging: it describes a spot becoming hollow or depressed.

Use 「膨れる」 for bulging out, a stuffed belly, or sulking with a pout. For hopes swelling choose 「膨らむ」, for numbers ballooning 「膨れ上がる」, for inflamed swelling 「腫れる」, for puffiness 「浮腫む」. Antonyms include 「萎む」 and 「凹む」.

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

Japanese definitions
  1. 中なかに充満じゅうまんした物ものに外側そとがわが押おされて盛り上もりあがる。
  2. 膨れっ面ふくれっつらをする。
Kanji in this word
English equivalents

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

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