Antonyms for official

Antonyms of noun official

Antonyms of adj official

4 of 5 senses of official

Sense 1:

official (vs. unofficial)

unofficial (vs. official)
drumhead, summaryinformal, looseunauthorized, unauthorised, wildcatunsanctioned

Sense 3:

official

INDIRECT (VIA confirmed) -> unconfirmed

Sense 4:

official, prescribed

INDIRECT (VIA regular) -> irregular

Sense 5:

official

INDIRECT (VIA established) -> unestablished