adj, slang ·Uncommon ·College level

Definitions

Adjective

1. 1
   indefinite in number; unspecified informal, not-comparable

Synonyms

All synonyms

umpteen

Etymology

From ump (“colloquial name for the dash "—" in Morse code”) + -ty.

Related phrases

iddy-umptyumpty-umpumpty-umpth

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