150 entries under plain topic. ×

19
simple(adjective, light, complete, smooth, simple)
18
express(noun, verb, adjective, complete, correct)
18
sure(adjective, complete, flat, firm, total)
17
certain(adjective, complete, flat, firm, total)
17
comprehensible(adjective, sharp, distinct, realistic)
17
positive(adjective, complete, flat, firm, total)
17
understandable(adjective, sharp, distinct, obvious)
16
direct(verb, adjective, adverb, take, control)
16
indisputable(adjective, certain, definite, sure)
16
limpid(adjective, calm, clear, light, touch)
15
smooth(verb, adjective, characteristic, calm, open)
15
unqualified(adjective, set, complete, flat, total)
14
absolute(adjective, complete, flat, firm, total)
14
noticeable(adjective, see, obvious, visible)
14
unclouded(adjective, calm, light, pleasant, bright)
13
decided(adjective, certain, definite, distinct)
13
pellucid(adjective, calm, clear, touch, smooth)
13
perspicuous(adjective, sound, reasonable, sensible)
13
precise(adjective, correct, sharp, perfect)
13
uncomplicated(adjective, light, smooth, simple, easy)
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APASmart Define. (2016). clear thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/clear/thesaurus/synonyms
ChicagoSmart Define. 2016. "clear thesaurus" https://smartdefine.org/clear/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, clear thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/clear/thesaurus/synonyms>.
MLASmart Define. "clear thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/clear/thesaurus/synonyms>