umpteenth

American  

[uhmp-teenth] / ˈʌmpˈtinθ /

Also umteenth

adjective

Informal.

1. of an indefinitely large number in succession.

   He was the umpteenth person to arrive.

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Etymology

Origin of umpteenth

First recorded in 1915–20; umpteen + -th ²

Example Sentences

But not before asking me—for the umpteenth time—whether I wanted to buy any extras.

From The Wall Street Journal

The chants demanding the manager's head were cranked up for the umpteenth time.

From BBC

When asked on Sunday for the umpteenth time this season if he knew what was wrong with Mookie Betts’ swing, Roberts failed to come up with an answer.

From Los Angeles Times

I considered all of this as I rounded the first switchback recently for the umpteenth time.

From Los Angeles Times

Harbaugh pounded his chest in his umpteenth gesture of the day, the coach filled with enough charm and eccentricity to command a Hollywood stage.

From Los Angeles Times