48 entries under plain topic. ×

18
unadorned(adjective, simple, clean, pure)
12
unembellished(adjective, simple, clean, pure)
11
simple(adjective, ordinary, modest, natural)
10
bare(adjective, simple)
8
austere(adjective, simple, clean, pure)
7
unornamented(adjective, simple, clean, pure)
6
stark(adjective, simple, bare)
4
bald(adjective, bare)
4
homely(adjective, simple, clean, pure)
3
Spartan(adjective, simple, clean, pure)
3
basic(adjective, simple, bare)
3
modest(adjective, simple, clean, pure)
2
clean(adjective, simple, pure, ordinary)
2
inelaborate(adjective, simple, clean, pure)
2
mere(adjective, simple, clean, pure)
2
unadulterated(adjective, simple, clean, pure)
2
uncomplicated(adjective, simple, clean, pure)
2
unostentatious(adjective, simple, clean, pure)
2
vanilla(adjective, simple, clean, pure)
1
absolute(adjective, simple, clean, pure)
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APASmart Define. (2015). undecorated thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/undecorated/thesaurus/synonyms
ChicagoSmart Define. 2015. "undecorated thesaurus" https://smartdefine.org/undecorated/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, undecorated thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/undecorated/thesaurus/synonyms>.
MLASmart Define. "undecorated thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/undecorated/thesaurus/synonyms>