From Longman Dictionary of Contemporary Englishnot suffer fools gladlynot suffer fools gladlyif you say that someone doesn’t suffer fools gladly, they do not have any patience with people who they think are stupid → fool
Examples from the Corpus
not suffer fools gladly• She was a forceful personality who did not suffer fools gladly, but her sternness was accompanied by grace and Victorian courtesy.• A tall, fast-talking southerner whose accent still lingers despite her years in the north, Porter does not suffer fools gladly.• Mr Fallon has been described as the kind of man who does not suffer fools gladly.not suffer fools gladlynot suffer fools gladlyWAITto not be patient with people you think are stupid He was a perfectionist who didn’t suffer fools gladly. → sufferExamples from the Corpus
not suffer fools gladly• A tall, fast-talking southerner whose accent still lingers despite her years in the north, Porter does not suffer fools gladly.• Mr Fallon has been described as the kind of man who does not suffer fools gladly.• She was a forceful personality who did not suffer fools gladly, but her sternness was accompanied by grace and Victorian courtesy. 