Definition of informal Informal

/ɪnfɔˈɹmʌl/ - [informul] - in•for•mal

We found 13 definitions of informal from 4 different sources.

What does informal mean?

WordNet

Adjective
informal - used of spoken and written language
		formal being in accord with established forms and conventions and requirements (as e.g. of formal dress); "pay one's formal respects"; "formal dress"; "a formal ball"; "the requirement was only formal and often ignored"; "a formal education"
		informal not formal; "conservative people unaccustomed to informal dress"; "an informal free-and-easy manner"; "an informal gathering of friends"
		unrhetorical not rhetorical
		formalness, formality compliance with formal rules; "courtroom formality"
		colloquial, conversational characteristic of informal spoken language or conversation; "wrote her letters in a colloquial style"; "the broken syntax and casual enunciation of conversational English"
		vernacular, vulgar, common having no special distinction or quality; widely known or commonly encountered; average or ordinary or usual; "the common man"; "a common sailor"; "the common cold"; "a common nuisance"; "followed common procedure"; "it is common knowledge that she lives alone"; "the common housefly"; "a common brand of soap"
		epistolary, epistolatory written in the form of or carried on by letters or correspondence; "an endless sequence of epistolary love affairs"; "the epistolatory novel"
		slangy constituting or expressed in slang or given to the use of slang; "a slangy expression"; "slangy speech"
		subliterary not written as or intended to be literature; "subliterary works such as letters and diaries"
informal - not formal; "conservative people unaccustomed to informal dress"; "an informal free-and-easy manner"; "an informal gathering of friends"
		formal being in accord with established forms and conventions and requirements (as e.g. of formal dress); "pay one's formal respects"; "formal dress"; "a formal ball"; "the requirement was only formal and often ignored"; "a formal education"
		informal not formal; "conservative people unaccustomed to informal dress"; "an informal free-and-easy manner"; "an informal gathering of friends"
		formalness, formality compliance with formal rules; "courtroom formality"
		daily, everyday, casual of or belonging to or occurring every day; "daily routine"; "a daily paper"
		free-and-easy, casual natural and unstudied; "using their Christian names in a casual way"; "lectured in a free-and-easy style"
		folksy very informal and familiar; "a folksy radio commentator"; "a folksy style"
informal - not officially recognized or controlled; "an informal agreement"; "a loose organization of the local farmers"
		loose
informal - having or fostering a warm or friendly and informal atmosphere; "had a cozy chat"; "a relaxed informal manner"; "an intimate cocktail lounge"; "the small room was cozy and intimate"
		cozy, intimate
		friendly characteristic of or befitting a friend; "friendly advice"; "a friendly neighborhood"; "the only friendly person here"; "a friendly host and hostess"

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Wiktionary

informal (Adjective)
Not formal or ceremonious; casual.
informal (Adjective)
Not in accord with the usual regulations; unofficial.
informal (Adjective)
Suited for everyday use.
informal (Adjective)
Reflecting everyday, non-ceremonious usage.
informal (Adjective)
Not organized; not structured or planned.

Webster DictionaryWebster's Unabridged Dictionary 📘

informal (a.)
Not in the regular, usual, or established form; not according to official, conventional, prescribed, or customary forms or rules; irregular; hence, without ceremony; as, an informal writting, proceeding, or visit.
informal (a.)
Deranged in mind; out of one's senses.