[ mas-iv ]
/ ˈmæs ɪv /


consisting of or forming a large mass; bulky and heavy: massive columns.
large and heavy-looking: a massive forehead.
large in scale, amount, or degree: a massive breakdown in communications; massive reductions in spending.
solid or substantial; great or imposing: massive erudition.
Mineralogy. having no outward crystal form, although sometimes crystalline in internal structure.

Origin of massive

1375–1425; late Middle English (see mass, -ive); replacing Middle English massif < Middle French

Related forms

mas·sive·ly, adverbmas·sive·ness, mas·siv·i·ty, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for massively

British Dictionary definitions for massively


/ (ˈmæsɪv) /



slang a group of friends or associates; gangthe Staines massive

Derived Forms

massively, adverbmassiveness, noun

Word Origin for massive

C15: from French massif, from masse mass
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for massively


[ măsĭv ]


Large in comparison with the usual amount.
Affecting a large area of bodily tissue; widespread and severe.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.