fixed in (one's) ways

fixed in (one's) ways

Inflexible; unwilling to change. Grandma will never retire—she's been a teacher for 50 years and is totally fixed in her ways. You'll never convince him to change, he has become too fixed in his ways now.
See also: fixed, way
Farlex Dictionary of Idioms.
See also:
  • set in (one's) ways
  • set in ways
  • set in your ways
  • be set in (one's) ways
  • be set in your ways
  • ironclad
  • ease (someone or something) along
  • be young at heart
  • be, stay, etc. young at heart
  • be intimate with (someone)