indicating an indefinitely large number of times; numerous.
I've told him for the umpteenth time to clean his room.
used to emphasize the repetition of an action or occurrence.
She finally finished her report after the umpteenth revision.
denoting a level far beyond what one considers reasonable.
I found myself at the umpteenth grocery store today trying to find the right ingredient.
Etymology
The term 'umpteenth' is a blend of 'umpteenth' and 'eleventh,' suggesting an unspecified ordinal number in a sequence, popularized in the early 20th century.
Common Phrases and Expressions
for the umpteenth time
Repeatedly or many times over, often implying frustration.
Related Words
innumerable
Too many to be counted.
repetitive
Characterized by repeating something.
countless
Too many to be counted; innumerable.
Slang Meanings
The umpteenth time someone is made to do something.
This is the umpteenth time I've had to fix the same mistake!