81 entries under adjective topic. ×

11
impalpable(knowledge, heavenly, subtle, imperceptible)
10
intangible(light, knowledge, heavenly, indefinite)
7
immaterial(form, light, weak, negative)
6
ethereal(negative, heavenly, imperceptible, levity)
6
imperceptible(hard, knowledge, faint)
6
insensible(knowledge, heavenly, subtle, imperceptible)
6
invisible(knowledge, hidden, unable, imperceptible)
5
airy(light, negative, heavenly, levity)
5
elusive(vague, impulsive, unpredictable, mysterious)
5
inappreciable(knowledge, imperceptible)
5
incorporeal(light, weak, slight, heavenly)
5
insubstantial(light, weak, slight, negative)
5
shadowy(negative, heavenly, imperceptible, vacant)
5
subtle(vague, unpredictable, mysterious, ambiguous)
5
unobservable(knowledge, imperceptible)
5
unsubstantial(light, weak, slight, heavenly)
4
bodiless(heavenly, immaterial, incorporeal, nonmaterial)
4
evanescent
4
indiscernible(knowledge, imperceptible)
4
spiritual(heavenly, immaterial, incorporeal, nonmaterial)
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APASmart Define. (2015). imponderable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/imponderable/thesaurus/synonyms
ChicagoSmart Define. 2015. "imponderable thesaurus" https://smartdefine.org/imponderable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, imponderable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/imponderable/thesaurus/synonyms>.
MLASmart Define. "imponderable thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/imponderable/thesaurus/synonyms>