Frequency rank: 30,783. – 31,057. (for form ムキになる: 17,727. – 17,794.)
    expressions (phrases, clauses, etc.); Godan verb with 'ru' ending
  1. to become serious; to take something seriously (joke, teasing); to become irritated or angry (usu. at something trivial); to get worked upword usually written using kana alone
Forms
  • Frequency rank: 30,783. – 31,057.
  • むきになるムキになる
  • むきになるムキになる
  • ムキになるFrequency rank: 17,727. – 17,794.