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Undescended
- (of the testis) remaining in the abdomen instead of descending into the scrotum
Undulatory
- resembling waves in form or outline or motion
Undulant
- resembling waves in form or outline or motion
Unavenged
- for which vengeance has not been taken; "an unavenged murder"
Uncollected
- not brought together in one place; "uncollected garbage in the streets"
Ungathered
- not brought together in one place; "uncollected garbage in the streets"
Uncontested
- not disputed and not made the object of contention or competition; "uncontested authority"
Unfilled
- of purchase orders that have not been filled
Unmalted
- of grain that has not been converted into malt; "unmalted barley"
Unpasteurized
- not having undergone pasteurization