uncomplimentary
1. [ adjective ] not complimentary
Examples:

"uncomplimentary remarks"

Related terms: unflattering
2. [ adjective ] tending to (or intended to) detract or disparage
Related terms: complimentary belittling derogative supercilious dyslogistic unfavorable
Similar spelling:   uncompartmented
  uncomplainingly
  uncomplicated
  uncomplaining
  uncompetitive