Improbable

/ɪmˈprɒbəbl/

adjectivemedium📊CommonPossibility
1 meaning3 questions

Definitions

1

Not likely to happen or be true; unlikely.

/ɪmˈprɒbəbl/

adjectiveneutralmedium
Possibility

Not likely to be true or to happen.

It is highly improbable that he will win the lottery.

💡 Simply: Imagine you flip a coin and it lands on its side – that's super unlikely, or improbable! It's like something you wouldn't expect to happen.

👶 For kids: Something that probably won't happen is improbable.

More Examples

2

The chances of finding life on Mars are considered improbable by many scientists.

3

It seemed improbable that they would ever find their lost dog, but they never gave up hope.

How It's Used

General

"It's improbable that it will rain today."

Science

"The existence of extraterrestrial life, while not impossible, remains improbable."

Synonyms & Antonyms

Synonyms

Antonyms

From Latin *improbabilis*, meaning 'not provable' or 'unlikely'. Formed from *in-* (not) + *probabilis* (probable, from *probare*, to prove).

Used since the late 16th century, initially with a focus on things that could not be proven, later shifting towards things that are unlikely to happen.

Memory tip

Think of 'im' as 'not' and 'probable' as 'likely'.

Word Origin

LanguageLatin
Original meaning

"provable, believable"

improbable outcomeimprobable eventimprobable scenarioimprobable chanceimprobable story

Common misspellings

improbibleimprobabalimproable

Usage

40%Spoken
60%Written