Found 2 items, similar to umpteen.
English → English (WordNet) Definition: umpteen umpteen adj : innumerable but many [syn: umteen]
English → English (gcide) Definition: umpteen umpteen \ump"teen\, a. 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. [Colloq.] “I've told you umpteen times not to do that.” [PJC]