Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
uncomplimentary is an adjective meaning "showing or representing unfavorably". It carries 2 recorded senses.
showing or representing unfavorably
“an unflattering portrait”
“an uncomplimentary dress”
tending to (or intended to) detract or disparage
Definitions, synonyms and semantic relations for uncomplimentary come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.