Synonyms|447Antonyms|112|Broader|9Narrower|12Related|1k

38 entries under idiom topic. ×

14
out of date(expression, adjective, oldness)
12
old hat(expression, adjective)
8
out of fashion(expression, adjective, bad, cool)
5
behind the times(expression, adjective, odd, current)
3
old fashioned
3
out of use(verb, expression, phrasal verb)
2
hors de combat(expression, inutility)
2
no more(expression, the past)
2
on the shelf(expression, adjective, new, used)
2
out of style(expression, odd, old, primitive)
1
dead and buried
1
not with it(expression, odd, old, primitive)
1
not worth saving
1
null and void
1
of olden days(expression, odd, old, primitive)
1
of other times(expression, oldness)
1
of the old school(expression, odd, square, old)
1
out of commission
1
out of gear
1
out of it(verb, expression, phrasal verb, odd)
<12>
For more, visit Obsolete on Power Thesaurus
10 years ago|18k views|share |citing 
APASmart Define. (2016). obsolete thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/obsolete/thesaurus/synonyms
ChicagoSmart Define. 2016. "obsolete thesaurus" https://smartdefine.org/obsolete/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, obsolete thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/obsolete/thesaurus/synonyms>.
MLASmart Define. "obsolete thesaurus" 28 March 2016. Web. 24 September 2026. <https://smartdefine.org/obsolete/thesaurus/synonyms>