Slang a great number of; very many
Origin of umpteenump-, indefinite sound for an uncertain number + -teen
Relatively large but unspecified in number: umpteen reasons; umpteen guests.
Origin of umpteenSlang ump(ty), dash in Morse code (of imitative origin) + -teen (as in thirteen).
- (informal, often slightly derogatory) Relatively large but unspecified in number.
- She's taking umpteen friends with her to the party.
umpty (“colloquial name for the dash ""”" in Morse code") +"Ž -teen