81 entries under adjective topic. ×

2
unperceivable
2
vague
1
abstract
1
conceptual
1
eerie
1
erratic(impulsive, unpredictable, explosive)
1
fine
1
fleeting(vague, impulsive, unpredictable, mysterious)
1
flimsy(light, weak, slight, negative)
1
frail(light, weak, slight, imaginary)
1
gradual
1
imponderous
1
inconspicuous
1
indistinct
1
insignificant
1
minute
1
momentary(impulsive, unpredictable, subtle, imperceptible)
1
nonexistent(real, fictional)
1
obscure
1
small
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APASmart Define. (2015). imponderable thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/imponderable/thesaurus/synonyms
ChicagoSmart Define. 2015. "imponderable thesaurus" https://smartdefine.org/imponderable/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, imponderable thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/imponderable/thesaurus/synonyms>.
MLASmart Define. "imponderable thesaurus" 14 April 2015. Web. 25 September 2026. <https://smartdefine.org/imponderable/thesaurus/synonyms>