unofficial

UK/,ʌnə'fɪʃl/US/.ʌnә'fiʃәl/

Definitions

adj.

Not authorized by or coming from an official source; not formally recognized.

非官方的；非正式的。

Root Breakdown

Root-derived

un-not, reversal

officagainst, toward

-ialrelating to, having the nature of

=unofficial

un- (not) + official. official comes from Latin officium ('duty, service'), itself opus + facere ('work-doing'). So official = 'relating to one's duty/office'; unofficial = not carrying that authority. See official.

Root fac still carries 273 more words

Common Collocations

1.unofficial results非官方结果
2.unofficial estimate非官方估计
3.unofficial spokesman非官方发言人

Example Sentences

1.
These are unofficial results until the count is confirmed.
2.
He acts as the team's unofficial spokesman.

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