unofficial

🇬🇧 UK/,ʌnə'fɪʃl/🇺🇸 US/.ʌnә'fiʃәl/

Definitions

adj.

Not authorized or recognized by an official body; not formal or sanctioned.

非官方的；非正式的

Root-derived

unnot, reversal

offagainst, toward

icconnector

iconnector

alrelating to, having the nature of

=unofficial