Synonyms|128Antonyms|27|Broader|2Narrower|0Related|75

10 entries under idiom topic. ×

6
out of date(expression, adjective, outworn)
2
behind the times(expression, odd, old, primitive)
1
not with it(expression, odd, old, primitive)
1
of olden days(expression, odd, old, primitive)
1
of the old school(expression, odd, old, primitive)
1
on the shelf
1
out of it(expression, odd, old, primitive)
1
out of style(expression, odd, old, primitive)
0
becoming obsolete
0
past its prime
For more, visit Obsolescent on Power Thesaurus
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APASmart Define. (2015). obsolescent thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/obsolescent/thesaurus/synonyms
ChicagoSmart Define. 2015. "obsolescent thesaurus" https://smartdefine.org/obsolescent/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, obsolescent thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/obsolescent/thesaurus/synonyms>.
MLASmart Define. "obsolescent thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/obsolescent/thesaurus/synonyms>