informal

Not by protocol

Informal describes situations, language, or behavior that is relaxed and casual rather than official or ceremonial.

An informal gathering lacks rigid structure.

Informal dress means no suit required.

Informal speech includes contractions, slang, and sentence fragments that would be out of place in formal writing.

We kept the meeting informal.

casual

laid-back

Calm and unhurried

nonchalant · carefree · unpretentious · unfussy · comfortable · low-key · chill · mellow · loose · unstructured

sociable

friendly

Showing kindness, warmth

convivial · amiable · affable · personable · outgoing · genial · cordial · neighborly · accessible · gregarious

colloquial

conversational

Relating to informal dialogue

chatty · everyday speech · colloquialism · dialect · lingo · spoken · familiar · unpolished · plain-spoken · folksy

unofficial

off-the-record

Not for attribution

unauthorized · unscheduled · back-channel · undocumented · unannounced · off-the-books · unregulated · extracurricular · behind-the-scenes · word-of-mouth

Categories
Opposites
social register and formality

informalformal

Following strict protocol

ceremonial · ceremonious · stiff · proper · dressy

dress and attire

informalformal

Following strict protocol

dressy · black-tie · smart · dress · elegant

linguistic register

informalformal

Following strict protocol

literary · learned · bookish · elevated · academic

Phrases
Family

information, informed, misinformation, uninformed, informative, informally, informality, informational, disinformation

Familiarity
Top 10,000
Profile
Known to kids · Used worldwide · Timeless · Abstract · Everyday, not technical · Rated G