Adjective formal has 6 senses
- 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"
Antonyms: informal, everyday, free-and-easy, casual, folksy, unceremonious, unceremonial
- formal - characteristic of or befitting a person in authority; "formal duties"; "an official banquet"
Antonym: unofficial (indirect, via official)
- formal - (of spoken and written language) adhering to traditional standards of correctness and without casual, contracted, and colloquial forms; "the paper was written in formal English"
Antonyms: informal, colloquial, conversational, common, vernacular, vulgar, epistolary, epistolatory, slangy, subliterary, unliterary, nonliterary
- conventional, formal, schematic - represented in simplified or symbolic form
Antonym: representational (indirect, via nonrepresentational)
- formal - logically deductive; "formal proof"
Antonyms: illogical, unlogical (indirect, via logical)
- courtly, elegant, formal, stately - refined or imposing in manner or appearance; befitting a royal court; "a courtly gentleman"
Antonym: undignified (indirect, via dignified)