imponderable[adjective]Synonyms: imperceptible, impalpable, inappreciable, indiscernible, insensible, intangible, unapparent, unappreciable, unobservable, unperceivable
Antonyms: appreciable, ponderable
[TahlilGaran] English Synonym Dictionary ▲
im‧pon‧der‧a‧ble /ɪmˈpɒnd
ərəb
əl $ -ˈpɑːn-/
noun [countable usually plural] formal something that cannot be exactly measured, judged, or calculated:
There are too many imponderables to make an accurate prediction.—imponderable adjective:
an imponderable question [TahlilGaran] Dictionary of Contemporary English ▲