massive

adjective

mas·​sive ˈma-siv 

1

: forming or consisting of a large mass:

a

: bulky

massive furniture

b

: weighty, heavy

massive walls

a massive volume

c

: impressively large or ponderous

stars more massive than the sun

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

(3)

: imposing in excellence or grandeur

massive simplicity

the most massive American dramatist of his time

—Newsweek

3

: having mass (see mass entry 2 sense 1c)

a massive boson

massively adverb

massiveness noun

Synonyms of massive

• heavy
• hefty

Examples of massive in a Sentence

The fort had massive walls.

stars more massive than the sun

A massive effort will be required to clean up the debris.

You can find a massive amount of information on the Internet.

The stunt received massive publicity.

a massive collection of baseball cards

Recent Examples on the Web

Meanwhile, molten salts liquify at elevated temperatures and can store massive amounts of thermal energy at atmospheric pressure. —Georgina Jedikovska, Interesting Engineering, 12 May 2026

The shoot took place in Okavango Delta, a massive inland delta situated in the heart of the Kalahari Desert. —Jordana Comiter, PEOPLE, 12 May 2026

On future flights of Starship V3, SpaceX will attempt to bring the ship back to Starbase for a catch by the launch tower’s mechanical arms, as the company has already demonstrated with the rocket’s massive Super Heavy booster. —Stephen Clark, ArsTechnica, 12 May 2026

All this solidity comes in anticipation of a massive change. —Jason P. Frank, Vulture, 12 May 2026

Word History

Etymology

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

First Known Use

15th century, in the meaning defined at sense 1

Rhymes for massive

• passive
• impassive

Kids Definition

massive

adjective

mas·​sive ˈmas-iv 

1

: weighty sense 1, heavy

massive walls

2

a

: large, solid, or heavy in structure

a massive jaw

b

: large in extent or degree

a massive effort

3

: having mass

massively adverb

massiveness noun

Medical Definition

massive

adjective

mas·​sive ˈmas-iv 

1

: large in comparison to what is typical

—used especially of medical dosage or of an infectious agent

a massive dose of penicillin

2

: being extensive and severe

—used of a pathologic condition

a massive hemorrhage

a massive collapse of a lung