take sides
to choose to support one person or group in an argument, and oppose the other one

[TahlilGaran] Dictionary of Contemporary English ▲

take sides
to support one person, group, or opinion over another.
My mother never took sides when my brother and I argued.

Usage notes: usually refers to an argument or fight
Related vocabulary: side with someone, take someone's side

[TahlilGaran] English Idioms Dictionary ▲

take sides
to join one group against another in a debate or quarrel; to support one side or the other side
I did not take sides in the discussion about buying a new computer.

"You should not take sides in some arguments or both sides will be angry at you."

[TahlilGaran] English Idioms Dictionary ▲

take sides
v. phr. To join one group against another in a debate or quarrel.
Switzerland refused to take sides in the two World Wars.
Tom wanted to go fishing. Dick wanted to take a hike. Bob took sides with Tom so they all went fishing.
Compare: LINE UP(4b).
Antonym: ON THE FENCE.

[TahlilGaran] English Idioms Dictionary ▲