Synonyms for bugaboo Found 4 synonyms across 1 meaning for “bugaboo”. an imaginary monster used to frighten children (noun) bogeymanbugbearboogeymanbooger Explore Related Words Rhymes with bugabooSynonyms for bogeymanSynonyms for bugbearSynonyms for boogeymanSynonyms for booger Synonym Finder | Rhyme Finder | Poetry Editor