7
seeable(adjective, clear, visible, apparent, noticeable)
7
unmistakable
6
distinguishable(adjective, clear, knowledge, substantial, obvious)
6
noteworthy(adjective, important, outstanding, prominent, obvious)
6
open(adjective, apparent)
5
notable(adjective, great, extraordinary, unusual, important)
5
outward(adjective, visible, social, interactive)
5
prominent(adjective, clear, see, unusual, important)
5
understandable(clear, plain, obvious, evident, noticeable)
5
viewable(adjective, clear, manifest, apparent, noticeable)
4
corporeal(adjective, sensitive, manifest, patent, palpable)
4
marked(adjective, clear, see, substantial, serious)
4
memorable(adjective, unusual, important, famous, exceptional)
4
overt(adjective, obvious, unconcealed)
4
remarkable(adjective, great, see, unusual, important)
4
visual(adjective, clear, able, apparent, noticeable)
3
clear-cut(adjective, see, significant, substantial, definite)
3
definite(significant, substantial, obvious, considerable, noticeable)
3
exposed(adjective, visible)
3
macroscopic(adjective, visible, discernible)
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APASmart Define. (2015). observable thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/observable/thesaurus/synonyms
ChicagoSmart Define. 2015. "observable thesaurus" https://smartdefine.org/observable/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, observable thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/observable/thesaurus/synonyms>.
MLASmart Define. "observable thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/observable/thesaurus/synonyms>