informal

adjective

in·​for·​mal (ˌ)in-ˈfȯr-məl How to pronounce informal (audio)
1
: marked by the absence of formality or ceremony
an informal meeting
2
: characteristic of or appropriate to ordinary, casual, or familiar use
informal clothes
informality noun
informally adverb

Examples of informal in a Sentence

We had an informal meeting over lunch. He has an informal manner that puts people at ease. He spoke to them in informal Spanish. The term is common in informal contexts. He took an informal poll among his coworkers.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The case underscores the potential risks of informal workplace activities, particularly those involving personality assessments or character comparisons. Jasmine Laws, MSNBC Newsweek, 9 May 2025 While some sandals can lean on the casual, informal side, these stylish ones are sophisticated enough for all types of events and occasions. Alicia Geigel, Southern Living, 8 May 2025 Talks held over breakfast, as well as an informal, one-on-one tea on Thursday morning, are expected to cover their strategic partnership, the war in Ukraine and Russia’s relations with the United States, according to the Kremlin. Simone McCarthy, CNN Money, 8 May 2025 With those ceremonial notices, an informal countdown begins to the moment that the new pope's identity is revealed to the world. Christopher Watson, ABC News, 8 May 2025 See All Example Sentences for informal

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of informal was in the 15th century

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Cite this Entry

“Informal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/informal. Accessed 13 May. 2025.

Kids Definition

informal

adjective
in·​for·​mal (ˈ)in-ˈfȯr-məl How to pronounce informal (audio)
1
: not formal
an informal party
2
: suited for ordinary or everyday use
informal clothes
informality noun
informally adverb

Legal Definition

informal

adjective
in·​for·​mal
: marked by the absence of required forms or procedures or by the relaxation of prescribed rules
an informal hearing

More from Merriam-Webster on informal

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