Noun | 1. | imponderable - a factor whose effects cannot be accurately assessed; "human behavior depends on many imponderables" influence - a cognitive factor that tends to have an effect on what you do; "her wishes had a great influence on his thinking" |
Adj. | 1. | imponderable - difficult or impossible to evaluate with precision; "such imponderable human factors as aesthetic sensibility" ponderable - capable of being weighed or considered; "something ponderable from the outer world--something of which we can say that its weight is so and so"- James Jeans |