wrong
get in wrong with (or on the wrong side of) someone incur the dislike or disapproval of someone. informal
get someone wrong misunderstand someone, especially by falsely imputing malice to them.
get (hold of) the wrong end of the stick misunderstand someone or something completely.
go down the wrong way (of food) enter the windpipe instead of the gullet.
☞ For other idioms containing wrong, see the entry for the main word in the idiom (for example, put a foot wrong at foot).