umpteen

pron, det (infml 口) too many to count; numerous 数不清的; 无数的: Umpteen of them left. 他们许多人都走了. * have umpteen reasons for being late 迟到有许多理由.

ultimatum, ultimo, ultra violet, ultra-, ultramarine, ultrasonic, ultrasound, ultraviolet, ululate, ululation, Ulyanovsk, umber, umbilical, umbilical cord, umbilicus, umbra, umbrage, umbrella, umlaut, umpire, umpteenth, un, un-, un-American, unabashed, unabated, unable, unabridged, unacceptable, unacceptably, unaccommodating, unaccompanied, unaccountable, unaccountably, unaccounted, unaccustomed, unacknowledged, unadopted, unadulterated, unaffected,