say it: MAS-iv
massive is an adjective meaning "imposing in size or bulk or solidity". It carries 4 recorded senses.
imposing in size or bulk or solidity
“massive oak doors”
“Moore's massive sculptures”
“the monolithic proportions of Stalinist architecture”
“a monumental scale”
imposing in scale or scope or degree or power
“massive retaliatory power”
“a massive increase in oil prices”
“massive changes”
consisting of great mass; containing a great quantity of matter
“Earth is the most massive of the terrestrial planets”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for massive 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.