UMPTEEN
umpteen, umteen
(adjective) innumerable but many
Source: WordNet® 3.1
Etymology
Determiner
umpteen
(informal, often slightly derogatory) Relatively large but unspecified in number.
Source: Wiktionary
umpteen, [Colloq.]
Definition: An indefinite number, usu. more than ten and less than one
hundred; a lot. Often used hyperbolically, and usually expressing the
notion of more than the usual number or more than I would like; --
"I've told you umpteen times not to do that." umpteenth. Ordinal of
umpteen, with corresponding signification.
Source: Webster’s Unabridged Dictionary 1913 Edition