67 entries under plain topic. ×

6
direct(adjective, clear, easy, honest)
6
manifest(adjective, clear, simple, sharp)
6
perceptible(adjective, clear, sharp, distinct)
6
self-explanatory(adjective, intelligible)
5
definite(adjective, clear, simple, sharp)
5
palpable(adjective, clear, simple, sharp)
4
discernible(adjective, clear, obvious, evident)
4
exact(adjective, clear, obvious)
4
pellucid(adjective, simple, articulate, silver-tongued)
4
self-evident(adjective, obvious)
4
unequivocal(adjective, clear, simple, sharp)
4
visible(adjective, clear, distinct, accessible)
3
crystal clear(expression, adjective, clear, obvious)
3
express(adjective, clear, simple, sharp)
2
conspicuous(adjective, clear, simple, sharp)
2
noticeable(adjective, clear, obvious, evident)
2
open-and-shut(adjective, obvious, manifest, evident)
2
specific(clear, obvious)
2
strong
2
sure(adjective, clear, obvious, unequivocal)
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APASmart Define. (2016). understandable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/understandable/thesaurus/synonyms
ChicagoSmart Define. 2016. "understandable thesaurus" https://smartdefine.org/understandable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, understandable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/understandable/thesaurus/synonyms>.
MLASmart Define. "understandable thesaurus" 31 March 2016. Web. 21 September 2026. <https://smartdefine.org/understandable/thesaurus/synonyms>