Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
complaintive is an adjective meaning "expressing pain or dissatisfaction of resentment". It carries one recorded sense.
expressing pain or dissatisfaction of resentment
“a complaining boss”
Definitions, synonyms and semantic relations for complaintive come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.