Found 2 items, similar to umpteenth.
English → English (WordNet) Definition: umpteenth umpteenth adj : last in an indefinitely numerous series [syn: umteenth, umptieth]
English → English (gcide) Definition: umpteenth umpteenth \ump"teenth\, a. Ordinal of umpteen, with corresponding signification; as, for the umpteenth time, I'm telling you to stop. [Colloq.] [PJC]