Definition, Meaning & Synonyms
ninnyhammer
noun
/ˈnɪniˌhæmər/

Definition
A foolish or silly person.

Examples
- She knew he was a ninnyhammer for forgetting their anniversary.
- Despite his intelligence, he often comes off as a ninnyhammer due to his clumsiness.

Meaning
Someone who acts in a foolish manner or lacks common sense.

Synonyms
- fool
- simpleton
- dullard
- nincompoop