Is Umpteenth in the Dictionary?

adjective Informal. of an indefinitely large number in succession: He was the umpteenth person to arrive.

Is there such a word as umpteenth?

Umpteen usually describes an indefinite and large number or amount, while the related umpteenth is used for the latest or last in an indefinitely numerous series. We only occasionally use umpty these days (and even more rarely umptieth), but you're bound to hear or read umpteen and umpteenth any number of times.

How do you use umpteenth in a sentence?

Umpteenth sentence example

They made love for the umpteenth time since their wedding. "That should bring her running back," she muttered dryly, and slammed the door behind him ... thankful for the umpteenth time that she hadn't married him.