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
The Business Valuation And Price A formal business valuation should be completed every few years but even an informal valuation may work.
—
Lina Storm, Forbes, 23 Jan. 2025
The weakening of the informal sector and the care economy dependent on women contributes significantly to such a breakdown, as programs to support women's health and rights are stopped.
—Dan Perry, Newsweek, 31 Jan. 2025
Salvini’s call was accompanied by mob violence, mass evictions and demolition of Roma informal camps set up in the streets.
—Ronald Niezen, The Conversation, 29 Jan. 2025
This is a relaxed, informal affair, a few friends coming over for food, the kind of people who have seen me in soft clothes.
—Amiel Stanek, Bon Appétit, 29 Jan. 2025
See all Example Sentences for informal 
Lina Storm, Forbes, 23 Jan. 2025
The weakening of the informal sector and the care economy dependent on women contributes significantly to such a breakdown, as programs to support women's health and rights are stopped.
—Dan Perry, Newsweek, 31 Jan. 2025
Salvini’s call was accompanied by mob violence, mass evictions and demolition of Roma informal camps set up in the streets.
—Ronald Niezen, The Conversation, 29 Jan. 2025
This is a relaxed, informal affair, a few friends coming over for food, the kind of people who have seen me in soft clothes.
—Amiel Stanek, Bon Appétit, 29 Jan. 2025
See all Example Sentences for informal
Recent Examples of Synonyms for informal
Adjective
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Two of this year’s contenders hope to chart an unconventional path.—
Kyle Buchanan,
New York Times,
12 Feb. 2025
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While some praised his unconventional love life, many were far from impressed.—
Amber Corrine,
VIBE.com,
11 Feb. 2025
Adjective
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Even to a casual viewer, the waxing gibbous moon of Friday, Feb. 7 will appear unusual.—
Joe Rao,
Space.com,
7 Feb. 2025
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Never risking outright political statement, Salles exemplifies the casual commitment Hollywood admires as a mirror of its own glib engagement.—
Armond White,
National Review,
7 Feb. 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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Meanwhile, text shorthand continues to overrun our vernacular.—
Scott Nover,
Smithsonian Magazine,
13 Feb. 2025
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Each hub of the region has its own character, cuisine, vernacular, soul and landmarks.—
Shawn Hubler,
New York Times,
10 Jan. 2025
Thesaurus Entries Near informal
Cite this Entry
“Informal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/informal. Accessed 21 Feb. 2025.
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