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. 2019
Examples from the Web for umteenth
Historical Examples of umteenth
It was the obituary notice of the umteenth Bavarians, who had been wiped out.A Prisoner in Turkey