u 1 m 3 p 3 t 1 e 1 e 1 n 1
7 letters · 11 points in Scrabble
Meaning
adjective innumerable but many
originFrom ump (“a colloquial name for the dash "—" in Morse code”) + -teen. Unrelated to ump as in umpire, and simply a mnemonic rhyming aid.
Etymology from Wiktionary, CC BY-SA 3.0