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Definition of umpteenth

umpteenth

/ˌʌmpˈtiːnθ/
ump · teenth
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umpteenth Lexical Profile

umpteenth Game Scores & Validity

• adjective

1

Latest or last in an indefinitely numerous series; occurring after an unspecified, frustratingly large number of previous instances.

Example

"She had to remind him for the umpteenth time to lock the front door before leaving."

Synonyms
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Antonyms
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• Rhymes for umpteenth

• Nearby Words

umpqua
umpqua falls
umpteen
umpteenth
umtata
unabashed
unabashedly

Word Origin & Etymology

Coined by British soldiers during World War I from 'umpteen', which combined the Morse code slang 'umpty' (representing a dash) with the numerical suffix '-teen', plus the ordinal suffix '-th'.

Cite this Entry

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