DOUBTFUL /ˈdaʊtfəl/ ► audio Scrabble 14 Words With Friends 18 Definition adjective open to doubt or suspicion. — synonyms: dubious, dubitable, in_question(p) adjective fraught with uncertainty or doubt. — synonyms: dubious adjective unsettled in mind or opinion. — synonyms: tentative See all 48 words you can make from DOUBTFUL → 8-letter words Words starting with D Words ending with L ← Unscramble different letters