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Pronunciation:  im'pândurubul

WordNet Dictionary
  1. [n]  a factor whose effects cannot be accurately assessed; "human behavior depends on many imponderables"
  2. [adj]  difficult or impossible to evaluate with precision; "such imponderable human factors as aesthetic sensibility"

IMPONDERABLE is a 12 letter word that starts with I.


 Antonyms: ponderable
 See Also: influence, leaven, leavening



Webster's 1913 Dictionary
  1. \Im*pon"der*a*ble\, a. [Pref. im- not + ponderable:
    cf. F. impond['e]rable.]
    Not ponderable; without sensible or appreciable weight;
    incapable of being weighed.
  2. \Im*pon"der*a*ble\, n. (Physics)
    An imponderable substance or body; specifically, in the
    plural, a name formerly applied to heat, light, electricity,
    and magnetism, regarded as subtile fluids destitute of weight
    but in modern science little used.
Thesaurus Terms
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