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
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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
Hoch, his graduate student, was part of an informal network of Warren Commission critics.
—
Alec Nevala-Lee
june 11, Literary Hub, 11 June 2025
An informal survey of students there indicates that about 500 students will go on to two- and four-year colleges and universities.
—Pioneer Press, Chicago Tribune, 5 June 2025
With its gleaming cabinetry, large central island and ample space for a large table and chairs for informal meals, this area has an undeniable contemporary feel and visual appeal.
—James Alexander, Hartford Courant, 1 June 2025
This exemption enabled informal workers and women who had had career gaps due to childrearing, for instance, to retire with some security.
—Christine Ro, Forbes.com, 30 May 2025
See All Example Sentences for informal
Alec Nevala-Lee
june 11, Literary Hub, 11 June 2025
An informal survey of students there indicates that about 500 students will go on to two- and four-year colleges and universities.
—Pioneer Press, Chicago Tribune, 5 June 2025
With its gleaming cabinetry, large central island and ample space for a large table and chairs for informal meals, this area has an undeniable contemporary feel and visual appeal.
—James Alexander, Hartford Courant, 1 June 2025
This exemption enabled informal workers and women who had had career gaps due to childrearing, for instance, to retire with some security.
—Christine Ro, Forbes.com, 30 May 2025
See All Example Sentences for informal
Recent Examples of Synonyms for informal
Adjective
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This unconventional talent pool helped Tesla streamline operations and scale faster than legacy automakers expected.—
David Villa,
Forbes.com,
5 June 2025
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Some were fearful about the safety risks of the unique feature, while others were confused about the purpose behind the unconventional design.—
Soo Kim,
MSNBC Newsweek,
3 June 2025
Adjective
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Born from old coffee bean bags, the canvas fabric stood out on the runway, crafted as a casual option for hanging close to shorelines.—
Cassell Ferere,
Forbes.com,
7 June 2025
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For casual poolside wear, the Swingy Tie-back Beach Dress is a top-notch pick at $41, while the Gathered Popover Dress is another standout at $53.—
Merrell Readman,
Travel + Leisure,
7 June 2025
Adjective
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So what follows is the colloquial Q&A, more or less unedited, from my email exchange with that reporter.—
George Calhoun,
Forbes.com,
31 May 2025
-
The Small House at Allington by Anthony Trollope Trollope is a more colloquial writer.—
The New Yorker,
New Yorker,
21 May 2025
Adjective
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For Forbes, learning the defense itself wasn’t as intensive as understanding the Rams’ techniques and vernacular.—
Adam Grosbard,
Oc Register,
28 May 2025
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Originally appearing in Latin or Greek, several stories of transgender saints made their way into vernacular languages.—
Sarah Barringer,
The Conversation,
27 May 2025
Cite this Entry
“Informal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/informal. Accessed 17 Jun. 2025.
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