1
traitorous
1
trumped-up
1
unauthentic
1
uncommon(adjective, wrong, improper, incorrect)
1
unconventional(adjective, wrong, improper, incorrect)
1
unctuous
1
underhanded
1
uneven
1
unnatural
1
unpredictable
1
unsafe(strong, secure)
1
unstable(adjective, uncertain, dishonest, apathetic, unfaithful)
1
unsteady(adjective, uncertain, dishonest, apathetic, unfaithful)
1
unsuitable(adjective, wrong, improper, incorrect)
1
unusual(adjective, wrong, improper, incorrect)
1
variable
1
visionary
1
wavering(adjective, uncertain, dishonest, apathetic, unfaithful)
1
weak(adjective, uncertain, dishonest, apathetic, unfaithful)
1
weak point
10 years ago|5.6k views|share |citing 
APASmart Define. (2016). true thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/true/thesaurus/antonyms
ChicagoSmart Define. 2016. "true thesaurus" https://smartdefine.org/true/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2016, true thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/true/thesaurus/antonyms>.
MLASmart Define. "true thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/true/thesaurus/antonyms>