1
superannuated(adjective, odd, old, primitive, unfashionable)
0
antediluvian(old, unfashionable, obsolete, antiquated, archaic)
0
back-number(adjective, current)
0
bourgeois(adjective, conventional, old-fashioned, dated)
0
button-down(adjective, conventional, old-fashioned)
0
conventional(adjective, old-fashioned)
0
defunct(outmoded, out-of-date)
0
fossil
0
frumpy(outmoded, out-of-date)
0
fusty
0
inadmissible
0
inelegant(outmoded, out-of-date)
0
old-fogeyish
0
old-fogyish
0
orthodox(adjective, conventional, old-fashioned)
0
outdate
0
overage
0
past it
0
strait-laced(adjective, conventional, old-fashioned)
0
stuffy(adjective, conventional, old-fashioned)
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APASmart Define. (2015). behind the times thesaurus. Retrieved September 30, 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 30, 2026).
HarvardSmart Define 2015, behind the times thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/behind_the_times/thesaurus/synonyms>.
MLASmart Define. "behind the times thesaurus" 13 April 2015. Web. 30 September 2026. <https://smartdefine.org/behind_the_times/thesaurus/synonyms>