ninnyhammer
0 antonyms and opposites of ninnyhammer, grouped by meaning.
Noun — A foolish person; a simpleton.
We haven't recorded synonyms for ninnyhammer yet. You can still read its full definition, where it comes from, or words that rhyme with it.
Etymology
Apparently from ninny (although attested slightly later) + -hammer, of unknown origin; perhaps compare earlier hammer-headed.
Full origin of ninnyhammer →