Umpteen can be used to refer to an extremely large number of things or people. (INFORMAL)
He was interrupted by applause ~ times...
He has produced ~ books, plays and television series.
= countless
DET: DET pl-n emphasis
Umpteen can be used to refer to an extremely large number of things or people. (INFORMAL)
He was interrupted by applause ~ times...
He has produced ~ books, plays and television series.
= countless
DET: DET pl-n emphasis
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012