informal
adjective
1. not formal
- conservative people unaccustomed to informal dress
- an informal free-and-easy manner
- an informal gathering of friends
Similar word(s): casual, daily, everyday, relaxed, folksy, unceremonial, unceremonious, informal
2. not officially recognized or controlled
- an informal agreement
Similar word(s): unofficial, loose
3. used of spoken and written language
Similar word(s): informal, colloquial, conversational, common, vernacular, vulgar, epistolary, epistolatory, slangy, subliterary, nonliterary, unliterary, unrhetorical
4. having or fostering a warm or friendly and informal atmosphere
- a relaxed informal manner
Similar word(s): friendly, cozy, intimate
Sentences with informal as an adjective:
- an informal get-together
- informal clothes