52 entries under adjective topic. ×

10
old-fashioned(cold, current, out, old)
10
passe(odd, current, out, old)
8
dated(odd, current, out, old)
7
antiquated(odd, current, old, primitive)
6
obsolete(odd, current, old, primitive)
6
square(current, out, old, conventional)
5
old hat(current, overfamiliar)
5
outdated(odd, current, old, primitive)
5
outmoded(odd, current, old, primitive)
4
obsolescent(odd, old, primitive, unfashionable)
4
out-of-date(odd, current, old, conventional)
4
unfashionable(odd, current, out, old)
3
out of date(expression, idiom, current)
2
archaic(odd, old, primitive, unfashionable)
2
dead(odd, old, primitive, unacceptable)
2
has-been
2
musty(tired, odd, out, old)
2
old-hat(odd, out, old, primitive)
2
old-time(odd, old, primitive, unfashionable)
2
olden(odd, old, primitive, unfashionable)
<123>
11 years ago|1.8k views|share |citing 
APASmart Define. (2015). behind the times thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/behind_the_times/thesaurus/synonyms
ChicagoSmart Define. 2015. "behind the times thesaurus" https://smartdefine.org/behind_the_times/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, behind the times thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/behind_the_times/thesaurus/synonyms>.
MLASmart Define. "behind the times thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/behind_the_times/thesaurus/synonyms>