- Not ponderable; without sensible or appreciable
weight; incapable of being weighed.
2 . Imponderable
[ n.]
- 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.
Meaning of 'imponderable' (Princeton's WordNet)
1 . imponderable
[ n]
Meaning (1): - a factor whose effects cannot be accurately assessed
Example in sentence:
human behavior depends on many imponderables
2 . imponderable
[ a]
Meaning (2): - difficult or impossible to evaluate with precision
Example in sentence:
such imponderable human factors as aesthetic sensibility