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noun

undies

UHN-dees

Undies (noun) means a casual, informal word for underwear. Example: “She threw her undies in with the rest of the laundry.”

noun
1
A casual, informal word for underwear.
"She threw her undies in with the rest of the laundry."

How to use undies

Learner’s notes

In plain EnglishA casual, everyday word for underwear.

When to use it

Informal — fine in casual conversation, but "underwear" is more neutral for formal contexts.

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She threw her _____ in with the rest of the laundry.

Etymology

A shortening of underwear with the informal -ie/-y ending added.

Rhymes for undies

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Frequently asked questions

What does “undies” mean?

The word “undies” means a casual, informal word for underwear. In plain terms, a casual, everyday word for underwear.

How do you pronounce “undies”?

“Undies” is pronounced UHN-dees (/ˈʌn.dis/ in IPA).

How do you use “undies” in a sentence?

Here is “undies” used in a sentence: “She threw her undies in with the rest of the laundry.”

What part of speech is “undies”?

“Undies” is a noun.

Definitions: FreeDict original editorial