0
fair
0
false(light, weak, slight, imaginary, flimsy)
0
fanciful(light, weak, slight, imaginary, flimsy)
0
feeble(light, weak, slight, imaginary, flimsy)
0
fickle(impulsive, unpredictable, explosive)
0
flighty(impulsive, unpredictable, explosive)
0
flippant(impulsive, unpredictable, explosive)
0
fly-by-night(light, weak, slight, imaginary, flimsy)
0
fragile(light, weak, slight, imaginary, flimsy)
0
frivolous(impulsive, unpredictable, explosive)
0
gay(impulsive, unpredictable, explosive)
0
giddy(impulsive, unpredictable, explosive)
0
gossamery
0
hot-blooded(impulsive, unpredictable, explosive)
0
hot-tempered(impulsive, unpredictable, explosive)
0
idle(light, weak, slight, imaginary, flimsy)
0
immeasurable
0
immense
0
impermanent(impulsive, unpredictable, explosive)
0
imponderability
11 years ago|2.4k views|share |citing 
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>