det, slang ·2 syllables ·Moderate ·College level

Definitions

Adjective

1. 1
   innumerable but many wordnet

Determiner

1. 1
   Relatively large but unspecified in number. informal

   "She's taking umpteen friends with her to the party."

Synonyms

All synonyms

bijillionbrazillioneleventeeneleventeengazilliongorillion

Example

More examples

"It won't work. I've already tried it umpteen times."

Etymology

From ump (“colloquial name for the dash "—" in Morse code”) + -teen. Unrelated to ump as in "umpire", simply a mnemonic rhyming aid.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.