stick up for

stick up for (oneself)

To defend oneself or one's decisions, actions, ideas, etc., by showing strength, confidence, and determination. You let Martin push you around too much, Tom. You need to stick up for yourself. We have to stick up for ourselves if management is ever going to take our demands seriously.
See also: stick, up

stick up for (someone or something)

To defend or show one's support for someone or something. Thank you for sticking up for me back there. It just felt like everyone was against me. We'll never make any progress if we don't have anyone in congress sticking up for our cause. Stick up for your little sister, OK? That's your job.
See also: stick, up
Farlex Dictionary of Idioms.

stick up for someone or something

to support someone or something; to speak in favor of someone or something. Everyone was making unpleasant remarks about John, but I stuck up for him. Our team was losing, but I stuck up for it anyway.
See also: stick, up
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

stick up for

To defend or support.
See also: stick, up
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • comfortable in (one's) own skin
  • better (oneself)
  • watch (one's) six
  • check (one's) six
  • check your six
  • wash (one's) hands of (someone or something)
  • wash hands of
  • wash one's hands of
  • wash your hands of
  • wash your hands of somebody/something