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
Since the demise of the deputy executive director, New Jersey has, by informal agreement, selected the chairman of the Port’s board.
—
Evan Simko-Bednarski, New York Daily News, 24 Jan. 2026
These corridors allow guests to move between rooms, dining spaces, the spa, and fitness facilities without going outdoors—especially useful in winter—and double as informal galleries lined with work by regional artists.
—Condé Nast, Condé Nast Traveler, 24 Jan. 2026
Short, informal video updates are one of the fastest ways to humanize leadership communication.
—Cheryl Robinson, Forbes.com, 24 Jan. 2026
The British newspaper portrayed Rodríguez as a complex figure with personal quirks and an ability to build rapport, citing sources who described her interest in champagne, table tennis and informal interactions with foreign dignitaries.
—Antonio María Delgado, Miami Herald, 23 Jan. 2026
See All Example Sentences for informal
Evan Simko-Bednarski, New York Daily News, 24 Jan. 2026
These corridors allow guests to move between rooms, dining spaces, the spa, and fitness facilities without going outdoors—especially useful in winter—and double as informal galleries lined with work by regional artists.
—Condé Nast, Condé Nast Traveler, 24 Jan. 2026
Short, informal video updates are one of the fastest ways to humanize leadership communication.
—Cheryl Robinson, Forbes.com, 24 Jan. 2026
The British newspaper portrayed Rodríguez as a complex figure with personal quirks and an ability to build rapport, citing sources who described her interest in champagne, table tennis and informal interactions with foreign dignitaries.
—Antonio María Delgado, Miami Herald, 23 Jan. 2026
See All Example Sentences for informal
Recent Examples of Synonyms for informal
Adjective
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Santa Familia, Cayo District, Belize The Cayo District is a charming and unconventional part of Belize that immediately feels warm and inviting.—
Kathleen Peddicord,
Forbes.com,
30 Jan. 2026
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Expect sudden connections, unconventional relationships or shocking revelations within existing partnerships.—
Valerie Mesa,
PEOPLE,
29 Jan. 2026
Adjective
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The restaurant employs roughly 80 people and has long been known for its casual atmosphere and accessibility in a town increasingly defined by high-end shops and restaurants.—
Spencer Wilson,
CBS News,
27 Jan. 2026
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Marvel's first series for Disney+ proved to be a home run, for long-term MCU fans and casual viewers alike.—
Wesley Stenzel,
Entertainment Weekly,
26 Jan. 2026
Adjective
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The city of big apples, hand-tossed pizzas and the colloquial adverb deadass.—
Lizz Schumer,
PEOPLE,
27 Jan. 2026
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This time around, our Traitors and Faithfuls are a beautiful assortment of Housewives, Survivors, athletes, actors, and plenty of mothers — both literal (Donna Kelce) and in the colloquial sense (Porsha Williams).—
Tom Smyth,
Vulture,
9 Jan. 2026
Adjective
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Prime Video / Getty Images The film Sliding Doors was released in 1998, with the phrase ‘Sliding Doors moment’ now commonly used in English vernacular.—
Jacob Tanswell,
New York Times,
22 Jan. 2026
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Built between 1929 and 1938, the residence reflects Plunkett’s mastery of California vernacular architecture.—
Abby Montanez,
Robb Report,
21 Jan. 2026
Cite this Entry
“Informal.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/informal. Accessed 1 Feb. 2026.
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