The meaning of IMPROBABLE is unlikely to be true or to occur; also : unlikely but real or true. How to use improbable in a sentence.

It's improbable but not impossible, especially in a country where too much is never enough.

IMPROBABLE definition: not probable; unlikely to be true or to happen. See examples of improbable used in a sentence.

Definition of improbable adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Something that is improbable is unlikely to be true or to happen. ...a highly improbable coincidence. It seems improbable that this year's figure will fall much below last year's 75,000.

Aug 28, 2025 · Adjective [edit] improbable (comparative more improbable, superlative most improbable) Not likely to be true. quotations

1. not likely to happen or exist; not probable. Although death at his age was improbable, he had already made his will. improbable

There really isn't enough evidence to prove that he committed the crime, so it's (highly) improbable that he'll be convicted. The team made an improbable comeback.

not probable; unlikely to be true or to happen: an improbable ending to a story.[ it + be + ~ + that clause]: It's improbable that we should win ten straight games.

Since improbable means something is unlikely but not impossible, your optimism allows you to keep hoping. The adjective improbable also means statistically unlikely to happen. You might be afraid to …