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Definition of armpit

armpit

/ˈɑːrm.pɪt/
arm · pit
Plural:armpits
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armpit Lexical Profile

armpit Game Scores & Validity

• noun

1

A hollow beneath the junction of the arm and shoulder; the axilla.

Example

"The nurse placed the thermometer under the child's armpit to check for a fever."

2

A wretched, dreary, or extremely undesirable place (used informally).

Example

"The rundown motel was in the absolute armpit of the industrial district."

Synonyms
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Antonyms
View all antonyms for armpit

• Nearby Words

armorer
armorless
armory
armpit
armrest
arms
army

Word Origin & Etymology

Formed in Middle English as a compound of Old English earm ('arm') and pytt ('pit, hollow'), replacing the older Old English compound oxn ('armpit').

Cite this Entry

Wordmom. (2026). Definition of Armpit. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/armpit
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