have (something) against (someone or something)

have (something) against (someone or something)

To dislike or be opposed to someone or something. A specific thing does not have to be stated between "have" and "against"—words like "something" and "anything" are commonly used there. A: "I knew you had something against Janet!" B: "She just irritates me, that's all." The board didn't have anything against my proposal, so I'm allowed to start working on it now.
See also: have
Farlex Dictionary of Idioms.

have something against someone or something

to have a reason to dislike someone or something. (Note the replacement for something in the negative in the example.) Do you have something against me? I have nothing against chocolate ice cream.
See also: have
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

have something against

Be opposed to, especially for a particular reason. For example, Do you have something against this plan? or Annie must have something against Mary, because she's always so surly when they're together .
See also: have, something
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • (I) wouldn't (do something) if I were you
  • (someone or something) promises well
  • a thing of the past
  • a/the feel of (something)
  • a slew of (something)
  • (have) got something going (with someone)
  • a straw will show which way the wind blows
  • a slue of (something)
  • accompanied by
  • accompanied by (someone or something)