Synonyms|53Antonyms|63|Broader|28Narrower|161Related|425

60 entries under adjective topic. ×

1
fragile(change, unfixed, unsustainable)
1
frail(unstable, doubtful, unsteady)
1
groggy(change, unfixed, unsustainable)
1
iffy(dark, doubt, suspicious, doubted)
1
imbalanced(unsteady, sandy, nonstable)
1
indefinite(quality, doubt, nonstable)
1
infirm(change, unfixed, unsustainable)
1
insecure(unstable, doubtful, unsteady)
1
non-resistant(change, unfixed, unsustainable)
1
non-stationary(unbalanced, fluctuate, astable)
1
non-steady(change, unfixed, unsustainable)
1
nonpersistent(change, unfixed, unsustainable)
1
nonsustained(change, unfixed, unsustainable)
1
off-balance(unsteady, sandy, nonstable)
1
out of balance(unsteady, sandy, nonstable)
1
polluted(spoil, spot, vicious, maculate)
1
unbalanced(change, unfixed, unsustainable)
1
unballasted(change, unfixed, unsustainable)
1
unconfirmed(doubt, not defended, not upheld)
1
waggly(change, unfixed, unsustainable)
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APASmart Define. (2016). sustainable thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/sustainable/thesaurus/antonyms
ChicagoSmart Define. 2016. "sustainable thesaurus" https://smartdefine.org/sustainable/thesaurus/antonyms (accessed October 1, 2026).
HarvardSmart Define 2016, sustainable thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/sustainable/thesaurus/antonyms>.
MLASmart Define. "sustainable thesaurus" 29 March 2016. Web. 1 October 2026. <https://smartdefine.org/sustainable/thesaurus/antonyms>