Synonyms|74Antonyms|50|Broader|13Narrower|27Related|335

34 entries under past topic. ×

5
old-fashioned(adjective, feature, characteristic, state)
5
outdated(adjective, feature, characteristic, state)
4
obsolete(adjective, feature, characteristic, state)
3
archaic(adjective, feature, characteristic, state)
3
outmoded(adjective, feature, characteristic, state)
1
antediluvian(adjective, regress)
1
antiquated(adjective, regress)
1
backward(adjective, underdevelopment)
1
behind the times(expression, regress)
1
benighted(adjective, underdevelopment)
1
bygone(adjective, regress)
1
crusty(adjective, regress)
1
downhill(adjective, underdevelopment)
1
for the worse(expression, underdevelopment)
1
in the wrong direction(expression, underdevelopment)
1
last year's(expression, regress)
1
old-fangled(adjective, regress)
1
olde worlde(expression, regress)
1
out of date(expression, regress)
1
out of fashion(expression, regress)
<12>
For more, visit Future-proof on Power Thesaurus
56 years ago|0 views|share |citing 
APASmart Define. (1970). future-proof thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/future-proof/thesaurus/antonyms
ChicagoSmart Define. 1970. "future-proof thesaurus" https://smartdefine.org/future-proof/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 1970, future-proof thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/future-proof/thesaurus/antonyms>.
MLASmart Define. "future-proof thesaurus" 1 January 1970. Web. 24 September 2026. <https://smartdefine.org/future-proof/thesaurus/antonyms>