1
empty(adjective, unsubstantial)
1
esoteric(abstract, theoretical, abstruse, philosophical)
1
eternal(abstract, theoretical, abstruse, philosophical)
1
evasive
1
exquisite(light, fine, thin, small, loose)
1
extramundane
1
faint(unclear, subtle, indistinct, imperceptible, unremarkable)
1
filmy(light, fine, thin, small, loose)
1
fine-drawn(light, fine, thin, small, loose)
1
fine-grained(light, fine, thin, small, loose)
1
fine-spun(light, fine, thin, small, loose)
1
flaky
1
flocculent
1
fundamental(abstract, theoretical, abstruse, philosophical)
1
germinal
1
gone to dust(expression, idiom)
1
gossamer(light, fine, thin, small, loose)
1
gossamery(light, fine, thin, small, loose)
1
grated
1
ground
11 years ago|10k views|share |citing 
APASmart Define. (2015). impalpable thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/impalpable/thesaurus/synonyms
ChicagoSmart Define. 2015. "impalpable thesaurus" https://smartdefine.org/impalpable/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, impalpable thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/impalpable/thesaurus/synonyms>.
MLASmart Define. "impalpable thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/impalpable/thesaurus/synonyms>