1
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
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
Newsweek3
: having mass (see mass entry 2 sense 1c)
a massive boson
massively
adverb
massiveness
noun
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
The ramifications would prove massive for the hundreds of Americans targeted by McCarthy’s investigations or called to testify before his Senate subcommittee.
—Made By History, TIME, 9 Feb. 2025
As for Cooper, who is a massive Eagles fan, he was seen arriving to the game with his daughter Irina by his side, in addition to Chiefs superfan Rudd.
—Carly Thomas, The Hollywood Reporter, 9 Feb. 2025
Despite excellent reviews and audience scores, ticket sales collapsed by a massive 68% from its debut.
—Rebecca Rubin, Variety, 9 Feb. 2025
The 1970s in particular were a wild time for New Orleans, as the traditional celebration started to merge with the free-love party era, contributing to massive, raucous crowds filling Bourbon Street.
—Jack Crosbie, Rolling Stone, 8 Feb. 2025
See all Example Sentences for massive 
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Made By History, TIME, 9 Feb. 2025
As for Cooper, who is a massive Eagles fan, he was seen arriving to the game with his daughter Irina by his side, in addition to Chiefs superfan Rudd.
—Carly Thomas, The Hollywood Reporter, 9 Feb. 2025
Despite excellent reviews and audience scores, ticket sales collapsed by a massive 68% from its debut.
—Rebecca Rubin, Variety, 9 Feb. 2025
The 1970s in particular were a wild time for New Orleans, as the traditional celebration started to merge with the free-love party era, contributing to massive, raucous crowds filling Bourbon Street.
—Jack Crosbie, Rolling Stone, 8 Feb. 2025
See all Example Sentences for massive
Dictionary Entries Near massive
Cite this Entry
“Massive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/massive. Accessed 12 Feb. 2025.
Copy CitationKids 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
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