1
as in unconventional
not rigidly following established form, custom, or rules
an informal meeting allowed everyone to get acquainted
Synonyms & Similar Words
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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
Many colleges and universities have informal parent Facebook groups, which function as a clearinghouse for questions and provide a window into the psyche of modern moms and dads.
—
Russell Shaw, The Atlantic, 2 Nov. 2025
Of those two, United reached out to Amorim, with Wilcox having an informal chat with the Sporting CP coach.
—Andy Mitten, New York Times, 1 Nov. 2025
It’s supported education for refugee children, clean water and sanitation, livelihoods for informal waste pickers and funded factory decarbonization initiatives.
—Jasmin Malik Chua, Sourcing Journal, 31 Oct. 2025
Just like with StreamOnce, Zeev’s involvement with Navan started with an informal meeting, a quick decision, and an early check.
—Michal Lev-Ram, Cnbc Contributor, CNBC, 30 Oct. 2025
See All Example Sentences for informal
Russell Shaw, The Atlantic, 2 Nov. 2025
Of those two, United reached out to Amorim, with Wilcox having an informal chat with the Sporting CP coach.
—Andy Mitten, New York Times, 1 Nov. 2025
It’s supported education for refugee children, clean water and sanitation, livelihoods for informal waste pickers and funded factory decarbonization initiatives.
—Jasmin Malik Chua, Sourcing Journal, 31 Oct. 2025
Just like with StreamOnce, Zeev’s involvement with Navan started with an informal meeting, a quick decision, and an early check.
—Michal Lev-Ram, Cnbc Contributor, CNBC, 30 Oct. 2025
See All Example Sentences for informal
Recent Examples of Synonyms for informal
Adjective
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Washington — The Federal Reserve’s newest policymaker has an unconventional perspective on the US economy that’s proving tough to sell.—
Bryan Mena,
CNN Money,
9 Nov. 2025
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Barr’s unconventional campaign, meant to make an argument against gerrymandering producing deeply partisan districts, made national headlines.—
Mary Ramsey,
Charlotte Observer,
8 Nov. 2025
Adjective
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For many young women, the stiletto’s discomfort is part of the appeal, offering proof that effort and glamor remain in an age of casual sneakers.—
Eva Roytburg,
Fortune,
9 Nov. 2025
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Simple yet polished, the Anrabess Long Sleeve Midi Dress is perfect for a casual Thanksgiving feast or a fall day out on the town.—
Rebecca Jones,
Southern Living,
9 Nov. 2025
Adjective
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Through it all, the specifically colloquial quality of the dialogue and the delivery of the vivacious voice cast preserves the film’s Mexican identity.—
Carlos Aguilar,
Variety,
31 Oct. 2025
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The language is colloquial, down-to-earth.—
Andrew Rojecki,
The Conversation,
21 Oct. 2025
Adjective
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For instance, many brands have become keenly aware that social media platforms such as TikTok have their own unique vernacular and communication methods that pair well with them.—
William Jones,
IndyStar,
6 Nov. 2025
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Gaube’s photographs, explains Moussa, show both his interest in vernacular architecture and the penchant of Lebanese architects, designers, and builders for using thick stone and heavy wooden doors that kept interiors cool in summer and insulated in winter.—
JSTOR Daily,
JSTOR Daily,
25 Oct. 2025
Cite this Entry
“Informal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/informal. Accessed 15 Nov. 2025.
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