Main Entry: mas·sive

Pronunciation: \ˈma-siv\

Function: adjective

Etymology: Middle English massiffe, from Anglo-French mascif, alteration of massiz, from Vulgar Latin *massicius, from Latin massa mass

Date: 15th century

1 : forming or consisting of a large mass: a : bulky b : weighty, heavy <massive walls> <a massive volume> c : impressively large or ponderous d : having no regular form but not necessarily lacking crystalline structure <massive sandstone>
2 a : large, solid, or heavy in structure <massive jaw> b : large in scope or degree <the feeling of frustration, of being ineffectual, is massive — David Halberstam> c (1) : large in comparison to what is typical <a massive dose of penicillin> (2) : being extensive and severe <massive hemorrhage> <massive collapse of a lung> (3) : imposing in excellence or grandeur : monumental <massive simplicity>
3 : having mass <a massive boson>

— mas·sive·ly adverb

— mas·sive·ness noun