Synonyms for howler Found 7 synonyms across 2 meanings for “howler”. a joke that seems extremely funny (noun) sidesplitterthigh-slapperscreamwowriot monkey of tropical South American forests having a loud howling cry (noun) Explore Related Words Rhymes with howlerSynonyms for sidesplitterSynonyms for thigh-slapperSynonyms for screamSynonyms for wowSynonyms for riot Synonym Finder | Rhyme Finder | Poetry Editor