Definition of go against
1
: to not agree with (something)
- I won't do anything that goes against my conscience/beliefs/principles.
- values that go against those of society
2
: to oppose (someone or something)
- He was surprised when some of his former supporters went against him.
- He was reluctant to go against his parents' wishes.
3
: to compete against (a player or team) in a contest or game
- The Red Sox will be going against the Yankees in tonight's game.
4
: to not be good for (someone) : to not produce the result that is wanted by (someone)
- Everything seemed to be going against her but she didn't give up hope.
- The verdict went against the defendant.
