- of an indefinitely large number in succession: He was the umpteenth person to arrive.
Also um·teenth [uhm-teenth] /ˈʌmˈtinθ/.
Origin of umpteenth
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for umpteenth
It would have been worse than Lucy yanking away that blasted football for the umpteenth time.LeBron James Returns to Cleveland: How 'The Decision 2.0' Happened
July 11, 2014
In the end, Jezebel took a stand against Vogue for the umpteenth time and spent $10,000 in the process.The Vogue-ification of Lena Dunham
January 21, 2014
While watching The Ten Commandments on TV with their children for the umpteenth time, Burnett and Downey had an epiphany.Hollywood Declares 2014 the Year of the Bible
January 9, 2014
The news is the umpteenth "breakthrough" in HIV in the 32 years of the epidemic.Why Can't We Find an AIDS Vaccine?
September 15, 2013
The entire vaccine debate has been stirred up for the umpteenth time this week by our national influenza epidemic.Get Your Damn Flu Shot
January 18, 2013
Or maybe I did when for the umpteenth time I suggested she should marry me.Lighter Than You Think
I have been reading "Pepys' Diary" for what Mrs. Darling would call the "umpteenth" time.The Lure of Old London
For the umpteenth time, as Mr. Ellerton would say, that man doesn't care two-pence about me, Golden.The Disturbing Charm
But I was being whisked up the elevator to the umpteenth floor before he had the chance.Across America by Motor-cycle
C. K. Shepherd