From Longman Dictionary of Contemporary Englishnot think much of somebody/somethingnot think much of somebody/somethingDON'T LIKEto not like someone or something very much I didn’t think much of his new girlfriend. → think
Examples from the Corpus
not think much of somebody/something• Later I gathered she did not think much of my manners.• I don't think much of that new restaurant.• He did not think much of the lectures.• He does not think much of the Midwest, which he calls a backward, dumb but snobbish place.• He does not think much of the students or professors either. 