112 entries under mild topic. ×

55
clear(adjective, visual, clear, light, weak)
21
flat(noun, adjective, characteristic, calm, dull)
15
level(noun, adjective, nature, characteristic, quiet)
14
dull(adjective, weak, simple, tough, flat)
13
even(adjective, adverb, characteristic, calm, quiet)
11
plane(noun, adjective, characteristic, calm, quiet)
11
smooth(adjective, characteristic, calm, clear, light)
8
insipid(adjective, dull, weak, simple, flat)
8
quiet(adjective, calm, light, simple, soft)
7
vanilla(adjective, dull, weak, simple, flat)
6
regular(adjective, calm, quiet, open, smooth)
5
effortless(adjective, quiet, clear, light, smooth)
5
uniform(adjective, calm, quiet, smooth, soft)
5
vapid(adjective, dull, weak, simple, flat)
4
bland(adjective, dull, quiet, weak, soft)
4
flush(adjective, calm, quiet, smooth, soft)
4
horizontal(adjective, calm, quiet, smooth, soft)
4
humdrum(adjective, dull, weak, simple, flat)
4
monotonous(adjective, dull, quiet, weak, simple)
4
muted(adjective, calm, quiet, simple, soft)
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APASmart Define. (2016). plain thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/plain/thesaurus/synonyms
ChicagoSmart Define. 2016. "plain thesaurus" https://smartdefine.org/plain/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, plain thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/plain/thesaurus/synonyms>.
MLASmart Define. "plain thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/plain/thesaurus/synonyms>