322 entries under adjective topic. ×

2
impossible(perfect, false, wild, unreasonable)
2
indeterminate(pale, bland, monotonous, drab)
2
lacking
2
loose(verb, hard, separate, remove)
2
made-up(fantastic, imaginary, unreal, theoretical)
2
missing
2
nonexistent
2
objective(calm, indifferent, detached, casual)
2
occult(vague, subtle, indefinable)
2
otherworldly(obscure, perfect, wild, unreasonable)
2
poker-faced(calm, cold, indifferent, detached)
2
profound(hard, delicate, complex, theoretical)
2
secret
2
supernatural(excellent, obscure, extraordinary, superior)
2
unusable(wild, unreasonable, useless, absurd)
2
unworkable(wild, unreasonable, useless, absurd)
2
vague(obscure, heavy, pale, bland)
2
wanting
1
aloof(calm, indifferent, detached, casual)
1
analytical(vague, logical, risky, theoretical)
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APASmart Define. (2015). abstract thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/abstract/thesaurus/synonyms
ChicagoSmart Define. 2015. "abstract thesaurus" https://smartdefine.org/abstract/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, abstract thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/abstract/thesaurus/synonyms>.
MLASmart Define. "abstract thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/abstract/thesaurus/synonyms>