1
as in unconventional
not rigidly following established form, custom, or rules
an informal meeting allowed everyone to get acquainted
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Antonyms & Near Antonyms
2
as in casual
not designed to be worn only on special occasions
chose an informal flowery dress
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in colloquial
used in or suitable for speech and not formal writing
the use of informal language in a scholarly article is really inappropriate
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of informal
Should an informal, smaller European leadership group take shape, Polish Prime Minister Donald Tusk will likely expect to be involved.
—
Rob Picheta, CNN, 20 Feb. 2025
Male Alzheimer’s caregivers group: The Men’s Breakfast Club is an informal and unstructured gathering of male caregivers.
—Joe Rassel, Orlando Sentinel, 19 Feb. 2025
Her informal show-and-tell presentation came at a time when Super Bowl tickets had ballooned past $100 per seat.
—Dan Wiederer, Chicago Tribune, 8 Feb. 2025
Zoom in: The question of whether to form a formal Jewish Caucus has been a point of contention for years among Jewish lawmakers, who have often met as an informal Jewish members' working group.
—Andrew Solender, Axios, 6 Feb. 2025
See All Example Sentences for informal
Rob Picheta, CNN, 20 Feb. 2025
Male Alzheimer’s caregivers group: The Men’s Breakfast Club is an informal and unstructured gathering of male caregivers.
—Joe Rassel, Orlando Sentinel, 19 Feb. 2025
Her informal show-and-tell presentation came at a time when Super Bowl tickets had ballooned past $100 per seat.
—Dan Wiederer, Chicago Tribune, 8 Feb. 2025
Zoom in: The question of whether to form a formal Jewish Caucus has been a point of contention for years among Jewish lawmakers, who have often met as an informal Jewish members' working group.
—Andrew Solender, Axios, 6 Feb. 2025
See All Example Sentences for informal
Recent Examples of Synonyms for informal
Adjective
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Guests flocked to the espresso martini bar (which concealed a secret door leading to a private lounge where a few discreetly slipped away) or lounged in the outdoor living room, where swinging beds served as unconventional seating.—
Jamila Stewart,
Vogue,
1 Mar. 2025
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However, the path to gaining such a naturalized vision of peace requires us to revisit some of the lessons of unconventional diplomacy that consider broader planetary imperatives of sustainability.—
Saleem H. Ali,
Forbes,
1 Mar. 2025
Adjective
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Network executives might complain, and casual viewers may go to bed, but these are not the factors that determine the Oscars’ success — in the here and now, or in the long term.—
Ben Travers,
IndieWire,
3 Mar. 2025
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Even far more casual runners, cyclists, and gym-goers—anyone who’s active—can underfuel too, McConville says.—
Cindy Kuzma,
SELF,
3 Mar. 2025
Adjective
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What is a Green Beret? Green Beret is the colloquial name used for members of the U.S. Army Special Forces.—
Fernando Cervantes Jr.,
USA TODAY,
2 Jan. 2025
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Purple group — colloquial suffixes (CORE, GATE, MANIA, PILLED) No perfect game, but that's nine wins in a row.—
Kris Holt,
Forbes,
5 Dec. 2024
Adjective
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While the brand has collaborated with everyone from Sacai and Undercover to Bulgari, Rimowa and most recently, Ugg, Ahn wanted the book to focus on its own aesthetic — perhaps also to remind industry observers of the origin of some ideas that have since entered the fashion vernacular.—
Joelle Diderich,
WWD,
26 Feb. 2025
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Elon Musk is street vernacular for a male body part.—
Rebecca Falconer,
Axios,
19 Feb. 2025
Cite this Entry
“Informal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/informal. Accessed 6 Mar. 2025.
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