adjective Informal.

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

Also um·teenth [uhm-teenth] /ˈʌmˈtinθ/.

Origin of umpteenth

First recorded in 1915–20; umpteen + -th2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for umpteenth

Contemporary Examples of umpteenth

Historical Examples of umpteenth

  • Or maybe I did when for the umpteenth time I suggested she should marry me.

  • I have been reading "Pepys' Diary" for what Mrs. Darling would call the "umpteenth" time.

  • For the umpteenth time, as Mr. Ellerton would say, that man doesn't care two-pence about me, Golden.

  • But I was being whisked up the elevator to the umpteenth floor before he had the chance.