'Uncomplimentary' definitions:

Definition of 'uncomplimentary'

From: WordNet
adjective
Showing or representing unfavorably; "an unflattering portrait"; "an uncomplimentary dress" [syn: unflattering, uncomplimentary] [ant: flattering]
adjective
Tending to (or intended to) detract or disparage [ant: complimentary]

Definition of 'Uncomplimentary'

From: GCIDE