informal
adjective
in·for·mal
(ˌ)in-ˈfȯr-məl 
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
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
The venue’s intimacy, coupled with a more informal, speakeasy vibe, permeated an award ceremony that was notable for its moments of laughter and easy congeniality.
—
Leila Cobo, Billboard, 17 Oct. 2025
The Covid-19 pandemic meant that the research was slow to get off the ground and, more crucially, informal conversations Adamala had with colleagues in other fields, at conferences and other forums, began to sow alarm.
—Katie Hunt, CNN Money, 17 Oct. 2025
What began as an informal engagement, supporting awareness campaigns or educational projects, has now evolved into something far more strategic.
—Sergio Alonso Fernández De Córdova Y De Veyga, Fortune, 16 Oct. 2025
In exchange, they were allowed free rein over the enclave’s economy, formal and informal.
—Bobby Ghosh, Time, 16 Oct. 2025
See All Example Sentences for informal
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Leila Cobo, Billboard, 17 Oct. 2025
The Covid-19 pandemic meant that the research was slow to get off the ground and, more crucially, informal conversations Adamala had with colleagues in other fields, at conferences and other forums, began to sow alarm.
—Katie Hunt, CNN Money, 17 Oct. 2025
What began as an informal engagement, supporting awareness campaigns or educational projects, has now evolved into something far more strategic.
—Sergio Alonso Fernández De Córdova Y De Veyga, Fortune, 16 Oct. 2025
In exchange, they were allowed free rein over the enclave’s economy, formal and informal.
—Bobby Ghosh, Time, 16 Oct. 2025
See All Example Sentences for informal
Cite this Entry
“Informal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/informal. Accessed 22 Oct. 2025.
Copy CitationKids Definition
informal
adjective
in·for·mal
(ˈ)in-ˈfȯr-məl
1
: not formal
an informal party
2
: suited for ordinary or everyday use
informal clothes
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