()もる

こもる
verb (godan, intransitive)
to shut oneself in; to be filled with; to be muffled
1. to shut oneself in; to seclude oneself; to stay indoors
To withdraw into a room, house, or other space and not come out. Often implies focusing intensely on something or avoiding the outside world.
部屋(へや)()もって勉強(べんきょう)した。
I shut myself in my room and studied.
2. to be filled with; to contain; to be imbued with
For a space or thing to be filled with something (heat, smoke, emotions, etc.).
彼女(かのじょ)手紙(てがみ)には愛情(あいじょう)()もっている。
Her letter is filled with affection.
3. to be muffled; to be stuffy
For sound or air to be trapped and not escape properly.
部屋(へや)熱気(ねっき)()もっている。
The room is stuffy with heat.

TRANSITIVITY: Intransitive verb (自動詞(じどうし)).

CONJUGATION: Godan verb (-る type)

  • ()もらない (negative)
  • ()もります (polite)
  • ()もって (te-form)
  • ()もった (past)

KANJI NOTE:
Can be written as ()もる or ()もる. Also commonly written in hiragana.

COMMON PATTERNS:

  • 部屋(へや)()もる - to shut oneself in a room
  • (いえ)()もる - to stay at home
  • (おも)いが()もった - filled with feeling/emotion
  • 気持(きも)ちが()もる - to be filled with feeling
  • (こえ)()もる - voice becomes muffled

MODERN USAGE:
()()もり (hikikomori) - social withdrawal/recluse - is derived from this verb.

REGISTER:
Neutral. Common in everyday conversation and writing.