oaf Get Printable Handwriting (oaf) 1 syllables Rhymes Learn It! Spelling Test Definition noun. a clumsy; stupid person; lout; 2 a simpleton; dunce; blockhead. Example Sentence She is so clumsy she sometimes feels like an oaf! Synonyms clumsy; simpleton; dunce; blockhead. Antonyms genius Rhymes One Syllable Rhymes (9) houff knouff loaf oaf plouff plouffe shoaf shoaff sroufe Share with your friends: