Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
suppressive is an adjective meaning "tending to suppress". It carries one recorded sense.
tending to suppress
“the government used suppressive measures to control the protest”
Definitions, synonyms and semantic relations for suppressive come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.