Synonyms|215Antonyms|6|Broader|1Narrower|2Related|28
1
phantom
1
psychical
1
small(adjective, imperceptible)
1
spectral(heavenly, incorporeal, nonmaterial)
1
spiritlike(heavenly, incorporeal, nonmaterial)
1
subatomic
1
subjective(heavenly, incorporeal, nonmaterial)
1
theoretical(adjective, immaterial)
1
transient(vague, impulsive, unpredictable, mysterious, subtle)
1
transitory(vague, impulsive, unpredictable, mysterious, subtle)
1
transmundane
1
trivial(adjective, imperceptible)
1
ultramicroscopic
1
unapparent
1
unappreciable
1
unconcrete
1
unextended
1
unphysical
1
unreal(light, weak, negative, imperceptible, vacant)
1
unseeable
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APASmart Define. (2015). imponderable thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/imponderable/thesaurus/synonyms
ChicagoSmart Define. 2015. "imponderable thesaurus" https://smartdefine.org/imponderable/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, imponderable thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/imponderable/thesaurus/synonyms>.
MLASmart Define. "imponderable thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/imponderable/thesaurus/synonyms>