Definition of improbable in English:

improbable

Syllabification: im·prob·a·ble
Pronunciation: /imˈpräbəbəl
 
/

adjective

Derivatives

improbably

adverb
More example sentences
  • Perhaps, more improbably, we learn to abhor violence.
  • Some years ago, I was making a film in Austin, Texas, and I fell into conversation with the improbably tall and very sociable driver who picked me up every day.
  • He grins an improbably toothy grin, winks, and throws his head back and lets out a loud, long, booming laugh.

Origin

late 16th century: from French, or from Latin improbabilis 'hard to prove', from in- 'not' + probabilis (see probable).

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