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
The Israeli journalist Yair Navot said on the webinar that Bennett could take a page from Magyar and negotiate with other parties to form an informal coalition ahead of the election, which is not yet scheduled but must take place before the end of October.
—
Deborah Danan, Sun Sentinel, 27 Apr. 2026
Some clinics partner with third-party financing services that formalize the process, and others will set up informal in-house arrangements.
—Angelica Leicht, CBS News, 27 Apr. 2026
Depending on the topic, liveblogs can be playful, light, personal, and informal.
—Daniel Jackson, Encyclopedia Britannica, 27 Apr. 2026
The informal moments, the development of younger guys, the interaction with teammates.
—Ryan Gaydos, FOXNews.com, 27 Apr. 2026
See All Example Sentences for informal
Deborah Danan, Sun Sentinel, 27 Apr. 2026
Some clinics partner with third-party financing services that formalize the process, and others will set up informal in-house arrangements.
—Angelica Leicht, CBS News, 27 Apr. 2026
Depending on the topic, liveblogs can be playful, light, personal, and informal.
—Daniel Jackson, Encyclopedia Britannica, 27 Apr. 2026
The informal moments, the development of younger guys, the interaction with teammates.
—Ryan Gaydos, FOXNews.com, 27 Apr. 2026
See All Example Sentences for informal
Recent Examples of Synonyms for informal
Adjective
-
Accessories are getting more unconventional, too.—
Lauren Fisher,
Footwear News,
1 May 2026
-
In sharp contrast to the region’s traditional stone dwellings, the experimental concrete home—designed in his mid-20s with collaborators Roland Baltera and François Seigneur—stands out for its angular, unconventional form.—
Abby Montanez,
Robb Report,
30 Apr. 2026
Adjective
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Nick Jonas has a casual yet stylish vibe in a leather jacket, hoodie and baseball cap in New York City on April 23.—
Toria Sheffield,
PEOPLE,
27 Apr. 2026
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Wetjen was out at Stone Creek Golf Club near Iowa’s campus, playing a casual round with his girlfriend, Rachel Bierman, and friends when the moment hit.—
Amber Harding OutKick,
FOXNews.com,
27 Apr. 2026
Adjective
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Their language — marked by rich, tactile detail and a colloquial urgency — has quietly shaped how generations of songwriters articulate devotion.—
New York Times,
New York Times,
28 Apr. 2026
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Although tabloid journalism tends not to focus on issues with broad socioeconomic impact, when these issues are covered audiences may relate to them more easily because they are discussed in colloquial, accessible language.—
Shepherd Mpofu,
Encyclopedia Britannica,
27 Apr. 2026
Adjective
-
The sound of motorbikes and cars fade as birds take over with their harmonies all around Nai Lert’s Thai vernacular style all-teak vacation home, built in 1915.—
Condé Nast,
Condé Nast Traveler,
23 Apr. 2026
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This pattern blends the storytelling rhythm of the Persian mas̄navī (narrative poem written in rhyming couplets) with vernacular Hindi verse forms.—
Encyclopedia Britannica,
Encyclopedia Britannica,
9 Apr. 2026
Cite this Entry
“Informal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/informal. Accessed 3 May. 2026.
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