Definition of have against
: to have (something) as a reason for not liking (someone or something) She has a grudge against her former boss. What do you have against him? I have nothing against her personally—it's her friends I don't like. —also used with got She's got a grudge against her former boss. What have you got against him?
Word by Word Definitions
: in opposition or hostility to
: contrary to
: in competition with
: in preparation for the time when
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