()

こる
godan verb (intransitive)
to become stiff; to be absorbed in
1. to become stiff; to stiffen (muscles)
used for muscles that have tensed up due to fatigue or strain
(かた)()った。
My shoulders are stiff.
長時間(ちょうじかん)パソコンを使(つか)うと(くび)()る。
My neck gets stiff when I use the computer for a long time.
(かた)()って(あたま)(いた)くなってきた。
My shoulders are stiff and I'm getting a headache too.
2. to be absorbed in; to be obsessed with; to be elaborate
to put great effort into something, often to an excessive degree
あの(ひと)料理(りょうり)()っている。
That person is really into cooking.
()ったデザインの家具(かぐ)()った。
I bought elaborately designed furniture.
彼女(かのじょ)最近(さいきん)カメラに()っていて毎日(まいにち)写真(しゃしん)()っている。
She's been really into cameras lately and takes photos every day.

SENSE 1 - MUSCLE STIFFNESS:

  • (かた)()る (stiff shoulders) - very common expression
  • (くび)()る (stiff neck)
  • Common in Japan due to long work hours

SENSE 2 - BEING ABSORBED:

  • ()る / に()っている (to be into something)
  • ()った + noun = elaborate, intricate
  • ()(しょう) (obsessive personality)

TRANSITIVITY:

  • Intransitive (自動詞(じどうし))
  • Related transitive: ()らす (to concentrate, focus)