すじばる

筋張る

表記・読み：すじばる

1. 1

   to become sinewy (e.g. of muscles); to become stringy; to become stiff

   五段動詞（る）自動詞
2. 2

   to become stiff (of attitude or conversation); to become formal; to become ceremonial; to become awkward (of a situation)

   五段動詞（る）自動詞