From Longman Dictionary of Contemporary Englishimponderableim‧pon‧der‧a‧ble /ɪmˈpɒndərəbəl $ -ˈpɑːn-/ noun [countable usually plural] formal JUDGEsomething that cannot be exactly measured, judged, or calculated There are too many imponderables to make an accurate prediction. —imponderable adjective an imponderable question
Examples from the Corpus
imponderable• How all this underaged precocity impacts his initial take-home is an imponderable.• The greatest imponderable may be the personal impact the humiliation of the ethics case has brought.• In spite of a host of imponderables it is possible to speculate on the composition of some of the smaller properties.• Whether it translates into practice depends on a number of imponderables.• There are still some imponderables in this situation, starting with the Coliseum itself.• In addition to the daily little worries, these were the sweeping imponderables that held their attention.• That's another of the imponderables, of course.• The Sandys doctrine was a crystallization of the imponderables of the early years of the nuclear era. 