Meanings
plural ninnyhammers
- A foolish person; a simpleton.
1608, A Yorkshire Tragedy, dubiously claimed to be by William Shakespeare Why, the more fool she; aye, the more ninny hammer she.
3 more examples
"You silly, awkward, ill-bred country sow," quoth one, "have you no more manners than to rail at Hocus that has saved that clod-pated numskulled ninny-hammer of yours from ruin, and all his family?
1712, John Arbuthnot, The History of John Bull'Silly noodle!—foolish simpleton!—bewildered ninnyhammer! He had brains in his head once.'
1836, Joanna Baillie, Enthusiasm, act 2'Well, if I don't deserve to be hung on the end of one as a warning to numbskulls! You're nowt but a ninnyhammer, Sam Gamgee: that's what the Gaffer said to me often enough, it being a word of his. Rope!'
1955, J. R. R. Tolkien, The Return of the KingSynonyms: ninny, nincompoop, boob
Synonyms & antonyms
nounA foolish person; a simpleton.
Origin
Apparently from ninny (although attested slightly later) + -hammer, of unknown origin; perhaps compare earlier hammer-headed.
Full word history & related roots →Cite this entry
ninnyhammer. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/ninnyhammer
“ninnyhammer.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ninnyhammer. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “ninnyhammer,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/ninnyhammer.
Source: ninnyhammer on Wiktionary, CC BY-SA 4.0.