improbable

[ im-prob-uh-buhl ]
/ ɪmˈprɒb ə bəl /

adjective

not probable; unlikely to be true or to happen: Rain is improbable tonight.

Origin of improbable

From the Latin word improbābilis, dating back to 1590–1600. See im-2, probable

OTHER WORDS FROM improbable

WORDS THAT MAY BE CONFUSED WITH improbable

impossible impracticable impractical improbable

Example sentences from the Web for improbable

British Dictionary definitions for improbable

improbable
/ (ɪmˈprɒbəbəl) /

adjective

not likely or probable; doubtful; unlikely

Derived forms of improbable

improbability or improbableness, noun improbably, adverb