curious

adjective

cu·​ri·​ous ˈkyu̇r-ē-əs How to pronounce curious (audio)
ˈkyər-
1
a
: marked by desire to investigate and learn
They were curious as to who won the game.
The cat was curious about its new environment.
b
: marked by inquisitive interest in others' concerns : nosy
curious about the neighbors' doings
2
: exciting attention as strange, novel, or unexpected : odd
a curious coincidence
We were concerned about his curious behavior.
3
a
archaic : made carefully
b
archaic : precisely accurate
c
obsolete : abstruse
curiousness noun

Did you know?

Since the 1300s, "curious" has been variously used to describe things that in some way require, invite, or are characterized by carefulness or inquisitiveness. In so doing, it carries on the legacy of its Latin source, the adjective curiosus, meaning "careful" or "inquisitive." The comparative of "curious" is "more curious," though it is not unusual to encounter the phrase "curiouser and curiouser," made popular by the title character of Alice's Adventures in Wonderland who, Lewis Carroll tells us, "was so much surprised that for the moment she quite forgot how to speak good English."

Choose the Right Synonym for curious

curious, inquisitive, prying mean interested in what is not one's personal or proper concern.

curious, a neutral term, basically connotes an active desire to learn or to know.

children are curious about everything

inquisitive suggests impertinent and habitual curiosity and persistent quizzing.

dreaded the visits of their inquisitive relatives

prying implies busy meddling and officiousness.

prying neighbors who refuse to mind their own business

Examples of curious in a Sentence

The cat was naturally curious about its new surroundings. They were curious to find out who won the game. We're curious about why you never called us. I'm curious to know more about her. She found a curious old clock in the attic. The birds were engaged in some curious behavior. Their music is a curious blend of disco and rock. By a curious coincidence, they bought a house the same day their old one burned down.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The Boy Is Mine Tour kicking off next month, many fans were curious to know if the duo would ask concertgoers to adapt a certain dress code, with the pair coming up with a bossy suggestion that speaks to their positions in the music game. Jessica Bennett, VIBE.com, 19 Sep. 2025 The director’s fourth feature is told through the story of an early 20th-century sultan curious about the wonders of the burgeoning cinematograph, eventually being introduced to the ins and outs of the new technology by a former operator for the Lumiére Brothers. Rafa Sales Ross, Variety, 19 Sep. 2025 Eventbrite data released in August showed not only a 92 percent increase in sober-curious gatherings, but also a 1,105 percent increase in attendance at thermal gatherings. Katherine Fung, MSNBC Newsweek, 19 Sep. 2025 Rather than a bottle destined for the back of a cabinet, Toki Black is positioned as a must‑try for anyone curious about how Suntory can stretch the Toki profile into richer, smokier territory — without losing its easy‑drinking DNA. Gina Pace, Forbes.com, 19 Sep. 2025 See All Example Sentences for curious

Word History

Etymology

Middle English, from Anglo-French curios, from Latin curiosus careful, inquisitive, from cura cure

First Known Use

14th century, in the meaning defined at sense 1b

Time Traveler
The first known use of curious was in the 14th century

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Cite this Entry

“Curious.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/curious. Accessed 26 Sep. 2025.

Kids Definition

curious

adjective
cu·​ri·​ous ˈkyu̇r-ē-əs How to pronounce curious (audio)
1
: eager to learn
a cat curious about its new surroundings
2
3
: attracting attention by being strange or unusual : odd
a curious old coin
that's curious—they were here yesterday
curiously adverb
curiousness noun
Etymology

Middle English curious "made carefully, skillful, eager to learn," from early French curios (same meaning), from Latin curiosus "careful, inquisitive," from cura "care, healing" — related to accurate, cure

More from Merriam-Webster on curious

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