塞ぐ|ふさぐfusagu[0]heiban (flat)

JLPT N2approx.Common
Definitions
  1. godan verb, transitive verbto stop up; to close up; to block (up); to plug up; to shut up; to cover (ears, eyes, etc.); to close (eyes, mouth)
  2. godan verb, transitive verbto stand in the way; to obstruct
  3. godan verb, transitive verbto occupy; to fill up; to take up
  4. godan verb, transitive verbto perform one's role; to do one's duty
  5. godan verb, intransitive verbto feel depressed; to be in low spirits; to mope
    彼女かのじょはなぜかふさいでいる。↗
    She looks blue for some reason.
Conjugation
Dictionary form塞ぐ(ふさぐ)
Polite (masu)塞ぎます(ふさぎます)
Negative (nai)塞がない(ふさがない)
polite (masen)塞ぎません(ふさぎません)
classical zu / nu塞がず・塞がぬ(ふさがず・ふさがぬ)
Past (ta)塞いだ(ふさいだ)
polite (mashita)塞ぎました(ふさぎました)
Past negative (nakatta)塞がなかった(ふさがなかった)
polite (masen deshita)塞ぎませんでした(ふさぎませんでした)
Te form塞いで(ふさいで)
Potential塞げる(ふさげる)
Passive塞がれる(ふさがれる)
Causative塞がせる(ふさがせる)
Causative passive塞がせられる・塞がされる(ふさがせられる・ふさがされる)
Conditional (ba)塞げば(ふさげば)
tara塞いだら(ふさいだら)
Volitional塞ごう(ふさごう)
polite (mashou)塞ぎましょう(ふさぎましょう)
Imperative塞げ(ふさげ)

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

Transitive / intransitive pair
transitive塞ぐふさぐ⇄intransitive塞がるふさがる
穴あなが塞ふさがる
穴あなを塞ふさぐ
塞がる is intransitive and focuses on the hole as the subject that becomes blocked, as in 穴が塞がる. 塞ぐ is transitive and focuses on an agent blocking the hole, as in 穴を塞ぐ.

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

Synonyms & antonyms
  • Synonym遮るさえぎるNeutralNeutral. To block or interrupt something, as in 「話を遮る」; 「塞ぐ」 is about filling or plugging up.
  • Synonym封鎖ふうさNeutralNeutral. To blockade roads, ports, and the like, with a military or administrative flavor.
  • Related閉じるとじるNeutralNeutral. Used for closing or shutting a book or your eyes; 「塞ぐ」 focuses on blocking up an opening or passage.
  • Related閉めるしめるNeutralNeutral. For shutting doors and windows; 「塞ぐ」 focuses on plugging holes or blocking a road.
  • Related封じるふうじるNeutralNeutral. To seal or shut off, with an emphasis on forbidding or preventing; 「塞ぐ」 stresses physically plugging something.
  • Related閉ざすとざすWrittenWritten/formal prose. To close or seal off, also figuratively for a heart shut tight; 「塞ぐ」 focuses on blocking.
  • Related締め切るしめきるNeutralNeutral. To shut everything up tight, or to stop accepting applications at a deadline; 「塞ぐ」 focuses on plugging holes.
  • Related閉塞へいそくWrittenWritten/formal prose. A blockage that cuts off a passage, as in 「腸閉塞」; also used for traffic, communications, or a stalled situation.
  • Related遮断しゃだんNeutralNeutral. To cut off or isolate, as in 「遮断機」; 「塞ぐ」 is about filling or plugging up.
  • RelatedつぶるNeutralNeutral. To close one's eyes, as in 「目をつぶる」; 「塞ぐ」 also covers covering your ears.
  • Related鎖すさすWrittenWritten/formal prose. The same word as 「閉ざす」 above, also written 「鎖す」; as in 「雪に閉ざされる」, cut off by snow.
  • Related差し固めるさしかためるWrittenWritten/formal prose. To shut something tight; archaic and rarely used. 「塞ぐ」 focuses on blocking an opening.
  • Related緘するかんするWrittenWritten/formal prose. To seal shut or to silence someone; 「塞ぐ」 can also mean covering one's mouth.
  • Related封ずるふうずるWrittenWritten/formal prose. A 「ずる」-form variant of 「封じる」, same meaning but a heavier literary tone; 「塞ぐ」 stresses physical blocking.
  • Antonym開けるあけるNeutralNeutral. To open something up — the direct opposite of 「塞ぐ」 in its blocking sense.

Use 「塞ぐ」 for plugging a hole, blocking a way through, or covering your ears or eyes, as in 「耳を塞ぐ」. For closing doors or windows say 「閉める」, for interrupting 「遮る」, for a blockade 「封鎖」, and for opening 「開ける」.

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

Japanese definitions
  1. 蓋ふたをして閉とじる。
  2. 邪魔じゃまをして通とおれなくする。
  3. 空あいているところを一杯いっぱいにする。詰つめる。
  4. 占しめる。
  5. (「鬱ふさぐ」とも書かく)気分きぶんが晴はれない。
Kanji in this word
English 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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