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Definitions

big

[big] / bɪg /
ADJECTIVE
large, great
Synonyms
STRONGEST
colossal considerable enormous fat full gigantic hefty huge immense massive sizable substantial tremendous vast
WEAK
a whale of a ample awash brimming bulky burly capacious chock-full commodious copious crowded extensive heavy-duty heavyweight hulking humongous husky jumbo mammoth mondo monster oversize packed ponderous prodigious roomy spacious strapping stuffed supercolossal thundering voluminous walloping whopper whopping
Antonyms
STRONGEST
impoverished inconsiderable insignificant little miniature minute poor slight small teeny thin tiny unimportant
WEAK
adolescent baby babyish blah bland dull humble infant infantile itsy juvenile selfish shy unconfident ungenerous ungiving
ADJECTIVE
important
Synonyms
STRONGEST
considerable leading main popular powerful serious significant substantial valuable
WEAK
big-league big-time consequential eminent heavy-duty heavyweight influential major-league material meaningful momentous paramount prime principal prominent super supercolossal weighty
Antonyms
STRONGEST
insignificant little minor small subordinate trivial unimportant
WEAK
adolescent baby babyish blah bland dull humble infant infantile itsy juvenile selfish shy tiny unconfident ungenerous ungiving
ADJECTIVE
grown
Synonyms
STRONGEST
tall
WEAK
adult elder full-grown grown-up mature
Antonyms
WEAK
adolescent baby babyish blah bland dull humble infant infantile itsy juvenile little selfish shy small tiny unconfident ungenerous ungiving unimportant
ADJECTIVE
generous
Synonyms
WEAK
altruistic benevolent bighearted chivalrous considerate free gracious greathearted heroic liberal lofty magnanimous noble princely unselfish
Antonyms
WEAK
adolescent baby babyish blah bland dull humble infant infantile itsy juvenile little selfish shy small tiny unconfident ungenerous ungiving unimportant
ADJECTIVE
arrogant
Synonyms
WEAK
arty boastful bragging conceited flamboyant haughty high-sounding imperious imposing inflated overblown pompous presumptuous pretentious proud
Antonyms
WEAK
adolescent baby babyish blah bland dull humble infant infantile itsy juvenile little selfish shy small tiny unconfident ungenerous ungiving unimportant

Usage

What are other ways to say big? In reference to the size and extent of concrete objects, big is the most general and most colloquial word, large is somewhat more formal, and great is highly formal and even poetic, suggesting also that the object is notable or imposing: a big tree; a large tree; a great oak; a big field; a large field; great plains. When the reference is to degree or a quality, great is the usual word: great beauty; great mistake; great surprise; although big sometimes alternates with it in colloquial style: a big mistake; a big surprise; large is usually not used in reference to degree, but may be used in a quantitative reference: a large number (great number).

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“The big difference between the K shape and the E shape is the health of the middle class,” Heather Long, chief economist at Navy Federal Credit Union, told MarketWatch.

From MarketWatch • Apr. 3, 2026

Grubhub was one of the first big food-delivery apps, but rising competition from DoorDash and others pressured its margins, and a sale process in 2020 led to a deal with Europe’s Just Eat Takeaway.com.

From The Wall Street Journal • Apr. 3, 2026

Confidently, “Yes” ups the buffoonery in a big way, signaling an increased willingness to bruise viewers.

From Los Angeles Times • Apr. 3, 2026

This Music May Contain Hope fuses old-school jazz with an orchestra, blues, big band and soul, reflecting what Raye told the BBC last year.

From BBC • Apr. 3, 2026

“It is a big deal, Lexie. It’s an even bigger deal that you don’t see it.”

From "Red Flags and Butterflies" by Sheryl Azzam

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.