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Definitions

I.Q.

NOUN
brainpower
Synonyms
STRONGEST
intellect
STRONG
brain brains grasp mentality mind understanding
WEAK
intellectual power mental ability mental capacity
Antonyms
STRONG
body disbelief misunderstanding physicality
IQ
NOUN
brightness
Synonyms
STRONGEST
brilliance
STRONG
acumen aptitude competence smarts
Antonyms
STRONG
inability ineptness stupidity
WEAK
darkness dullness
NOUN
intelligence
Synonyms
STRONGEST
acumen agility brilliance intellect judgment perception quickness savvy sense skill subtlety understanding wit
STRONG
acuity alertness aptitude brainpower brains brightness capacity cleverness comprehension coruscation discernment luminosity mentality mind penetration perspicacity precocity quotient reason sagacity smarts trenchancy
WEAK
gray matter the right stuff what it takes
Antonyms
STRONGEST
ignorance inability stupidity
STRONG
disinclination physicality
WEAK
ineptness
NOUN
intelligence quotient
Synonyms
WEAK
caliber compass of mind mental age mental caliber mental capacity mental ratio
NOUN
mental age
Synonyms
WEAK
intelligence quotient ma mental ratio
NOUN
mentality
Synonyms
STRONGEST
attitude character mind mindset outlook personality psychology sense understanding
STRONG
brainpower brains cast comprehension disposition headset intellect makeup rationality reasoning routine wit
WEAK
frame of mind intelligence quotient mental age turn of mind way of thinking
Antonyms
STRONGEST
disbelief
WEAK
physicality
NOUN
smarts
Synonyms
STRONG
acuity acumen alertness aptitude brainpower brains brightness brilliance cleverness competence comprehension intellect judgment know-how mind perception perspicacity precocity reason savvy sense understanding
WEAK
gray matter the right stuff what it takes
Antonyms
STRONG
disbelief disinclination ignorance inability ineptness misinterpretation mistake misunderstanding stupidity

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.

One feature that Mainelli found impressive was Device IQ, an AI-enabled feature that can proactively find, diagnose and fix issues on a device.

From MarketWatch • Mar. 25, 2026

HP IQ will respond with in depth answers to those questions, and can also offer the user suggestions on what they should do next.

From Barron's • Mar. 24, 2026

The decision to oust Daniel Levy - hardly a fan favourite - only to replace him with a collection of 'suits' with no footballing IQ set the ball rolling.

From BBC • Mar. 6, 2026

“Mia has an impeccable soccer IQ at such a young age,” Archey said.

From Los Angeles Times • Jan. 31, 2026

What if his incredibly high IQ vanished as quickly as it had appeared?

From "The Smartest Kid in the Universe" by Chris Grabenstein

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