205 entries under adjective topic. ×

7
perplexing(obscure, dark, sophisticated, mysterious)
6
ambiguous(dark, uncertain, blank, mysterious)
6
baffling(solid, strange, dense, unfathomable)
6
cryptical
6
involved
6
recondite(obscure, dark, uncertain, sophisticated)
5
intricate
5
cabalistic(solid, strange, blank, dense)
5
esoteric(obscure, strange, mysterious, supernatural)
5
impassive(dull, quiet, cool, moderate)
5
indecipherable(dark, uncertain, mysterious, unfathomable)
5
secret(dark, strange, uncertain, blank)
4
calm(quiet, cool, still, peaceful)
4
enigmatical(solid, strange, supernatural, dense)
4
expressionless(dull, dead, blank, impassive)
4
hidden(obscure, solid, strange, sophisticated)
4
mystical(strange, supernatural, spiritual, inexplicable)
4
unknowable(solid, strange, blank, dense)
3
blank(dull, dead, impassive, unemotional)
3
deadpan(dull, dead, blank, impassive)
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APASmart Define. (2015). inscrutable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/inscrutable/thesaurus/synonyms
ChicagoSmart Define. 2015. "inscrutable thesaurus" https://smartdefine.org/inscrutable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, inscrutable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/inscrutable/thesaurus/synonyms>.
MLASmart Define. "inscrutable thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/inscrutable/thesaurus/synonyms>