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.
This could range from formal presentations to informal conversations, emails or even social media within the company, depending on your audience and the nature of your message. Heather V. MacArthur, Forbes, 21 Mar. 2025 Wood floors, woven baskets, and breezy curtains introduce informal textures to the lush blend. Emily Williams, Better Homes & Gardens, 21 Mar. 2025 Often suggested for informal work socials or networking events, smart casual style revolves around building an outfit that’s relaxed yet still professional. Christian Allaire, Vogue, 21 Mar. 2025 The members have been coy about the band’s future—sometimes dousing it with cold water, others alluding to informal meet-ups that may or may not lead to a return to the studio or stage. Jazz Monroe, Pitchfork, 13 Mar. 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 24 Mar. 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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