Synonyms|447Antonyms|112|Broader|9Narrower|12Related|1k
1
operational
1
operative
1
perennial
1
perpetual
1
present day
1
pristine
1
prospect
1
red-hot
1
refined
1
remodeled
1
renewed
1
simultaneous
1
space-age
1
state-of-the-art
1
synchronous
1
timeless
1
topical
1
trendy
1
undeveloped
1
undying
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APASmart Define. (2016). obsolete thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/obsolete/thesaurus/antonyms
ChicagoSmart Define. 2016. "obsolete thesaurus" https://smartdefine.org/obsolete/thesaurus/antonyms (accessed September 25, 2026).
HarvardSmart Define 2016, obsolete thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/obsolete/thesaurus/antonyms>.
MLASmart Define. "obsolete thesaurus" 28 March 2016. Web. 25 September 2026. <https://smartdefine.org/obsolete/thesaurus/antonyms>