cir·cu·lar
ˈsər-kyə-lər 
1
2
a
: of or relating to a circle or its mathematical properties
a circular arc
b
: having a circular base or bases
a circular cylinder
3
4
: marked by or moving in a cycle
5
: being or involving reasoning that uses in the argument or proof a conclusion to be proved or one of its unproved consequences
6
: intended for circulation
a circular letter
: a paper (such as a leaflet) intended for wide distribution
Examples of circular in a Sentence
Adjective
That planet has a more circular orbit than our planet does.
a rather circular discussion of the problem that never addresses it directly
Noun
According to the circular, eggs are on sale this week.
promptly tosses out those advertising circulars that come in the newspaper
Recent Examples on the Web
Prabhat Ranjan Mishra, Interesting Engineering, 27 Oct. 2025
With a soft hand brush or sponge, loosen dirt in a circular motion, moving across the wall from one side to the other, then moving down one line of tile and across.
—Daley Quinn, Southern Living, 26 Oct. 2025
Craig Shoup, Nashville Tennessean, 3 Oct. 2025
Several space observatories did watch the asteroid, according to an Oct. 2 update from the Minor Planet Center, which shares information quickly with the astronomy community through an electronic circular.
—Elizabeth Howell, Space.com, 3 Oct. 2025
See All Example Sentences for circular
Examples are automatically compiled from online sources to
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Adjective
The discovery offers a powerful way to give waste plastics a second life as high-performance materials, advancing both a circular economy and next-generation clean technologies.
—Prabhat Ranjan Mishra, Interesting Engineering, 27 Oct. 2025
With a soft hand brush or sponge, loosen dirt in a circular motion, moving across the wall from one side to the other, then moving down one line of tile and across.
—Daley Quinn, Southern Living, 26 Oct. 2025
Noun
The Tennessean looked at weekly circulars from more than a dozen stores, including Middle Tennessee staples like Aldi, Dollar General, BJ's Wholesale Club.
—Craig Shoup, Nashville Tennessean, 3 Oct. 2025
Several space observatories did watch the asteroid, according to an Oct. 2 update from the Minor Planet Center, which shares information quickly with the astronomy community through an electronic circular.
—Elizabeth Howell, Space.com, 3 Oct. 2025
See All Example Sentences for circular
Cite this Entry
“Circular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/circular. Accessed 31 Oct. 2025.
Copy CitationKids Definition
circular
1 of 2 adjective
cir·cu·lar
ˈsər-kyə-lər
1
: having the form of a circle : round
a circular driveway
2
: passing or going around in a circle
circular motion
4
: sent around to a number of persons
a circular letter
circular
2 of 2 noun
: a printed notice or advertisement given or sent to many people
Medical Definition
circular
adjective
cir·cu·lar
ˈsər-kyə-lər
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