say it: il-OO-siv
illusive is an adjective meaning "based on or having the nature of an illusion". It carries one recorded sense.
based on or having the nature of an illusion
“illusive hopes of finding a better job”
“Secret activities offer presidents the alluring but often illusory promise that they can achieve foreign policy goals without the bothersome debate and open decision that are staples of democracy”
Definitions, synonyms and semantic relations for illusive come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.