Unofficial Thesaurus / Antonyms

7	official(adjective, improper, incorrect, legitimate, authorized)
5	authoritative(adjective, confirmed)
5	confirmed
4	authorized(adjective, illegitimate, confirmed)
3	formal
2	sanctioned
1	accredited
1	approved
1	authorised
1	certified
1	credited
1	endorsed
1	formalised
1	formalized
1	lawful
1	legitimate
1	orthodox
1	regular
1	semiofficial
1	unsophisticated

<12 3 4 5 >

For more, visit Unofficial on Power Thesaurus

10 years ago|851 views|share |citing

APA	Smart Define. (2016). unofficial thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unofficial/thesaurus/antonyms
Chicago	Smart Define. 2016. "unofficial thesaurus" https://smartdefine.org/unofficial/thesaurus/antonyms (accessed September 27, 2026).
Harvard	Smart Define 2016, unofficial thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unofficial/thesaurus/antonyms>.
MLA	Smart Define. "unofficial thesaurus" 26 February 2016. Web. 27 September 2026. <https://smartdefine.org/unofficial/thesaurus/antonyms>

Filter by topics