From Longman Dictionary of Contemporary Englishget something wrongget something wrongMISTAKEto make a mistake in the way you write, judge, or understand somethingThis isn’t it. We must have got the address wrong.get/have it all wrong (=understand a situation in completely the wrong way)No, no – you’ve got it all wrong! We’re just friends! →wrong
Examples from the Corpus
get something wrong• I've been here a year now, and my boss still gets my name wrong!• Once again, the government has got it wrong.• You must have gotten the directions wrong.• You've got your facts wrong, mate - he doesn't work here any more.