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unofficially
01
officieusement
in a manner that is not official
02
de manière non officielle, de façon informelle
without approval from a government, organization, or relevant authority
unofficially
adv
officially
adv
official
adj
office
n
Exemple
The project started unofficially before the funding was fully secured.
He learned about the decision unofficially through a colleague, rather than through formal channels.
She was unofficially appointed as the team leader, although the official announcement had not been made yet.
They agreed unofficially to meet again next week to discuss further plans.
The new policy was implemented unofficially by some departments, pending approval from higher management.
