27 Moby Thesaurus words for "witch hunt": McCarthyism, amassing evidence, close inquiry, department of investigation, detection, detective work, exhaustive study, harassment, harrying, hearing, hounding, indagation, investigation, investigative bureau, legislative investigation, legwork, oppression, perscrutation, persecution, probe, red-baiting, research, sifting, sleuthing, tormenting, victimization, witch-hunting