Main entry: official
Definition: having official authority or sanction
Usage: official permission; an official representative
Antonyms: unofficial
Definition: not having official authority or sanction
Antonyms: informal
Definition: not formal
Antonyms: informal
Definition: used of spoken and written language
Antonyms: unauthorised, unauthorized
Definition: not endowed with authority
Main entry: prescribed, official
Definition: conforming to set usage, procedure, or discipline
Usage: in prescribed order
Antonyms: irregular
Definition: contrary to rule or accepted order or general practice
Antonyms: irregular
Definition: (of solids) not having clear dimensions that can be measured; volume must be determined with the principle of liquid displacement
Antonyms: irregular
Definition: (used of the military) not belonging to or engaged in by regular army forces
Main entry: official
Definition: verified officially
Usage: the election returns are now official
Antonyms: unconfirmed
Definition: not finally established or settled
Main entry: official
Definition: (of a church) given official status as a national or state institution
Antonyms: unestablished
Definition: not established