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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Example Sentences
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Recent Examples of informal
For example, host virtual coffee breaks or team-building exercises to encourage informal employee interactions.
—
Johnny C. Taylor Jr, USA Today, 28 May 2025
On a Tuesday 18 years ago, Thompson hosted an informal get-together to watch unedited TV broadcasts — beginning with the Kennedy assassination news breaks and later transitioning to lighter content.
—Brian Cheung, NBC news, 27 May 2025
Presidential clashes with archivists predate Trump President George H.W. Bush’s administration destroyed some informal notes, visitor logs and emails.
—Will Weissert, Los Angeles Times, 20 May 2025
Employees who join a startup often thrive in fast-moving, informal environments, so when the company begins to scale, there’s often a fear of losing that agility.
—Lyuba Brouillard, Forbes.com, 19 May 2025
See All Example Sentences for informal
Johnny C. Taylor Jr, USA Today, 28 May 2025
On a Tuesday 18 years ago, Thompson hosted an informal get-together to watch unedited TV broadcasts — beginning with the Kennedy assassination news breaks and later transitioning to lighter content.
—Brian Cheung, NBC news, 27 May 2025
Presidential clashes with archivists predate Trump President George H.W. Bush’s administration destroyed some informal notes, visitor logs and emails.
—Will Weissert, Los Angeles Times, 20 May 2025
Employees who join a startup often thrive in fast-moving, informal environments, so when the company begins to scale, there’s often a fear of losing that agility.
—Lyuba Brouillard, Forbes.com, 19 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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There was something transgressive and liberating about an aesthetic that inverted not only good and bad taste but also conventional and unconventional morality.—
Charles McNulty,
Los Angeles Times,
3 June 2025
Adjective
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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
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The woman’s friend and the casual man spend time every few weeks, play pool, and text daily.—
Stephanie Guerilus,
People.com,
7 June 2025
Adjective
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Because back nine is close to backside, and backside is just far too colloquial.—
Paulina Dedaj,
FOXNews.com,
8 Apr. 2025
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Russ Scholl, a ski instructor at Breckenridge Ski Resort, has published a 133-square grid of funky colloquial phrases for different types of snow.—
Brittney Melton,
NPR,
24 Mar. 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 10 Jun. 2025.
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