be (as) stubborn as a mule

be (as) stubborn as a mule

To be very devoted to a particular opinion or course of action, especially when faced with opposition. My toddler is as stubborn as a mule and has a tantrum every night at bedtime because he doesn't want to stop playing. You'll never get Rich to change his opinion—he's stubborn as a mule.
See also: mule, stubborn
Farlex Dictionary of Idioms.
See also:
  • (as) obstinate as a mule
  • (as) stubborn as a mule
  • mule
  • obstinate
  • stubborn
  • stubborn as a mule
  • hit at
  • hit at (someone or something)
  • cooperate on (something) with (someone or something)
  • cooperate with (someone or something) on (something)