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Definitions

informal

[in-fawr-muhl] / ɪnˈfɔr məl /


ADJECTIVE
conversational or colloquial
Synonyms
Antonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The largely informal opposition had consisted mainly of local cities that warned another sales tax would disproportionately burden the poorest residents and force shoppers across the county border in hopes of finding lower costs.

From Los Angeles Times • Jun. 10, 2026

Even cheap Chinese models that analysts say could upend the global industry are far out of reach for the millions of Nigerians in the informal economy.

From Barron's • Jun. 8, 2026

Ramaphosa said efforts would be made to ensure all informal shops were properly registered by the small business development department.

From BBC • Jun. 7, 2026

Cuba’s currency has fallen to around 620 pesos to the dollar on the informal market, according El Toque, an independent Cuban news site that tracks the currency market.

From The Wall Street Journal • Jun. 6, 2026

Mersenne’s community was an informal group which met and exchanged letters, though he expressed a wish to form a proper college that would function mainly through correspondence.

From "The Invention of Science" by David Wootton




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