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 same goes for its overall profile, though, there’s a lot going on in its front fascia—the side venting is seemingly there for function, but the massive grille is… a lot.
—Peter Nelson, Forbes.com, 20 Sep. 2025
Seven tech giants – Amazon, Apple, Alphabet (Google), Meta, Microsoft, Nvidia and Tesla – have driven massive gains on Wall Street over the past decade, collectively earning an eye-popping 698% between 2015 and 2024, according to The Motley Fool.
—Daniel De Visé, USA Today, 19 Sep. 2025
The mining of coal, for example, unleashes massive amounts of methane into the atmosphere.
—Jasmin Malik Chua, Sourcing Journal, 19 Sep. 2025
As per the team, the pioneering solution marks a massive step forward in making the first hydride ion prototype battery, moving the technology from a theoretical concept to experimental proof of its feasibility.
—Georgina Jedikovska, Interesting Engineering, 19 Sep. 2025
See All Example Sentences for massive
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Peter Nelson, Forbes.com, 20 Sep. 2025
Seven tech giants – Amazon, Apple, Alphabet (Google), Meta, Microsoft, Nvidia and Tesla – have driven massive gains on Wall Street over the past decade, collectively earning an eye-popping 698% between 2015 and 2024, according to The Motley Fool.
—Daniel De Visé, USA Today, 19 Sep. 2025
The mining of coal, for example, unleashes massive amounts of methane into the atmosphere.
—Jasmin Malik Chua, Sourcing Journal, 19 Sep. 2025
As per the team, the pioneering solution marks a massive step forward in making the first hydride ion prototype battery, moving the technology from a theoretical concept to experimental proof of its feasibility.
—Georgina Jedikovska, Interesting Engineering, 19 Sep. 2025
See All Example Sentences for massive
Cite this Entry
“Massive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/massive. Accessed 21 Sep. 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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