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noun

dimwit

DIHM-wiht

Dimwit (noun) means an informal, mildly insulting term for a stupid or slow-witted person. Example: “Only a dimwit would leave the keys in the ignition.”

noun
1
An informal, mildly insulting term for a stupid or slow-witted person.
"Only a dimwit would leave the keys in the ignition."

How to use dimwit

Learner’s notes

In plain EnglishA casual, somewhat rude word for someone who isn't very smart.

When to use it

Informal and mildly insulting — avoid in professional or polite contexts.

Word forms

dimwits plural

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Only a _____ would leave the keys in the ignition.

Etymology

A compound of "dim" and "wit".

nitwit doofus half-wit

Related words

Frequently asked questions

What does “dimwit” mean?

The word “dimwit” means an informal, mildly insulting term for a stupid or slow-witted person. In plain terms, a casual, somewhat rude word for someone who isn't very smart.

How do you pronounce “dimwit”?

“Dimwit” is pronounced DIHM-wiht (/ˈdɪmwɪt/ in IPA).

How do you use “dimwit” in a sentence?

Here is “dimwit” used in a sentence: “Only a dimwit would leave the keys in the ignition.”

What part of speech is “dimwit”?

“Dimwit” is a noun.

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Definitions: FreeDict original editorial