unofficially
un-of-fi-cial-ly
adverb
Without official authorisation or formal status; not formally acknowledged or sanctioned.
"The news was unofficially confirmed by a source."
Thesaurus
Synonyms: on the side
Antonyms: officially
un-of-fi-cial-ly
Without official authorisation or formal status; not formally acknowledged or sanctioned.
"The news was unofficially confirmed by a source."
Synonyms: on the side
Antonyms: officially