41 entries under unable topic. ×

5
imponderable(adjective, knowledge, hidden, imperceptible)
5
masked(adjective, hidden)
5
supernatural(adjective, obscure, dark, mysterious, hidden)
5
undisclosed(adjective, obscure, dark, unknown, hidden)
4
disguised(adjective, hidden)
3
ethereal(adjective, hidden)
3
ghostly(adjective, obscure, dark, superior, mysterious)
3
ideal(adjective, hidden)
3
obscured(adjective, out, hidden, lost)
3
ulterior(adjective, hidden)
3
unreal(adjective, hidden)
2
gaseous(adjective, hidden)
2
vaporous(adjective, hidden)
1
deceptive(adjective, hidden)
1
perdu(adjective, hidden, concealment)
1
screened(adjective, obscure, dark, unknown, hidden)
1
wraithlike(adjective, hidden)
0
not in sight(adjective, hidden)
0
obliterated(adjective, hidden)
0
ungraspable(adjective, hidden)
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APASmart Define. (2015). invisible thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/invisible/thesaurus/synonyms
ChicagoSmart Define. 2015. "invisible thesaurus" https://smartdefine.org/invisible/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, invisible thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/invisible/thesaurus/synonyms>.
MLASmart Define. "invisible thesaurus" 7 December 2015. Web. 27 September 2026. <https://smartdefine.org/invisible/thesaurus/synonyms>