Umption

Motivaton to do something, or driveing force.
I don't have the umption to do that.
by Eric Stalheim November 04, 2007
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Umption

A mishearing or mispronunciation of the standard English word, "gumption".
I don't have the umption to figure out how to spell properly.
by Jibble Blebrun December 30, 2009
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