Similar words: preponderate, preponderant, preponderance, preponderantly, considerable, undecipherable, indecipherable, inconsiderable. Meaning: [ɪm'pɑndrəbl /-'pɒn-] 
n. a factor whose effects cannot be accurately assessed. adj. difficult or impossible to evaluate with precision.
n. a factor whose effects cannot be accurately assessed. adj. difficult or impossible to evaluate with precision. 
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1. The effect of his new method is imponderable.
2. The greatest imponderable may be the personal impact the humiliation of the ethics case has brought.
3. Here were the imponderable processes and forces of the cosmos, harmonious' and soundless.
4. Our resources in technical knowledge are imponderable.
5. I hesitated, weighing and balancing the imponderable realities.
6. Our imponderable resources in knowledge are constantly growing and are inexhaustible.
7. And then there is the ever-present imponderable: the possible need, at some point, to finance the horrendous costs of reunification with destitute North Korea when that state collapses.
8. How all this underaged precocity impacts his initial take-home is an imponderable.
9. Many argue that the biological effects of lengthy space travel are the biggest imponderable.
9. Sentencedict.com try its best to gather and make good sentences.
10. In his scheme, investment was governed by the animal spirits of entrepreneurs, facing an imponderable future.
11. Her contribution to the formation and development of modern dance is tremendous, imponderable and unmatchable.
12. Regard development of this kind of circulative as a kind of imponderable economy the meeting is a few more appropriate.
More similar words: preponderate, preponderant, preponderance, preponderantly, considerable, undecipherable, indecipherable, inconsiderable, preponderance of evidence, ponder, ponderous, pondering, venerable, miserable, tolerable, steerable, insuperable, considerably, preferable, vulnerable, impenetrable, undesirable, intolerable, unutterable, unalterable, deliverable, innumerable, invulnerable, transferable, insufferable.