side with

Related to side with: blind side, Side lighting

side with (someone or something)

To join or align with someone or something; to support, favor, or share the opinion of someone or something. The judge sided with the tech company, stating that the plaintiff didn't have enough credible evidence. Sorry, Dave, I'm afraid I have to side with Bill on this issue. It was the only country to side with the rebel group, offering them military and financial aid.
See also: side
Farlex Dictionary of Idioms.

side with someone

to join with someone; to take someone else's part; to be on someone's side. Why is it that you always side with him when he and I argue? I never side with anybody. I form my own opinions.
See also: side
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

side with

Support or favor, as in The Armenians traditionally side with the Greeks against the Turks. This idiom was first recorded in 1600. For the antonym, see side against.
See also: side
The American Heritage® Dictionary of Idioms by Christine Ammer.

side with

v.
To align oneself with someone or something in a disagreement: The stalemate ended when a small group of senators sided with the opposing party.
See also: side
The American Heritage® Dictionary of Phrasal Verbs.
See also:
  • be/have done with somebody/something
  • be in line with (someone or something)
  • better of
  • (someone or something) promises well
  • begin with
  • begin with (someone or something)
  • bird has flown, the
  • beware of
  • beware of (someone or something)
  • be rough on (someone or something)