im ‧ prob ‧ a ‧ ble /ɪmˈprɒbəb ə l $ -ˈprɑː-/ BrE AmE adjective
[ Word Family: noun : ↑ probability , ↑ probable ; adverb : ↑ probably ≠ ↑ improbably ; adjective : ↑ probable ≠ ↑ improbable ]
1 . not likely to happen or to be true SYN unlikely OPP probable :
a film with an improbable plot
It seems highly improbable that he had no knowledge of the affair.
2 . surprising and slightly strange SYN unlikely :
improbable combinations of colours
—improbably adverb
—improbability /ɪmˌprɒbəˈbɪləti, ɪmˌprɒbəˈbɪlɪti $ -ˌprɑː-/ noun [uncountable and countable]