Simple Definition of nitwit
: a stupid or silly person
Full Definition of nitwit
: a scatterbrained or stupid person
Examples of nitwit in a sentence
Don't be such a nitwit.
<don't be a nitwit—wear a seat belt!>
Origin and Etymology of nitwit
probably from German dialect nit not + English wit
First Known Use: circa 1922
Seen and Heard
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