27 entries under adjective topic. ×

8
experimental
4
data-based
4
empirical
3
empiric
2
discernible
2
perceptible
2
visible
1
astute
1
clear-sighted
1
optical
1
perceivable
1
shrewd
1
visual
0
acute
0
alive
0
apprehensive
0
apt
0
dexterous
0
discerning
0
exemplary
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APASmart Define. (2013). observational thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/observational/thesaurus/synonyms
ChicagoSmart Define. 2013. "observational thesaurus" https://smartdefine.org/observational/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2013, observational thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/observational/thesaurus/synonyms>.
MLASmart Define. "observational thesaurus" 28 June 2013. Web. 23 September 2026. <https://smartdefine.org/observational/thesaurus/synonyms>