| adv. | 1. | By the proper officer; by virtue of the proper authority; in pursuance of the special powers vested in an officer or office; |
| Adv. | 1. | officially - in an official role; "officially, he is in charge"; "officially responsible" Antonyms: unofficially - not in an official capacity; "unofficially, he serves as the treasurer" |
| 2. | officially - with official authorization; "the club will be formally recognized" Synonyms: formally |