Synonyms|189Antonyms|61|Broader|3Narrower|0Related|245

46 entries under outdated topic. ×

1
traditional(last, original, past, primitive, venerable)
1
unfashionable(last, original, past, primitive, venerable)
1
unoriginal(last, original, past, venerable)
1
venerable(original, past, primitive, obsolete)
0
cast off(expression, original, obsolete)
0
obsolete(last, original, previous, other)
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APASmart Define. (2015). erstwhile thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/erstwhile/thesaurus/synonyms
ChicagoSmart Define. 2015. "erstwhile thesaurus" https://smartdefine.org/erstwhile/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, erstwhile thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/erstwhile/thesaurus/synonyms>.
MLASmart Define. "erstwhile thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/erstwhile/thesaurus/synonyms>