Unpredictable

/ˌʌnprɪˈdɪktəbəl/

adjectivemedium📊CommonDescriptive
1 meaning3 questions

Definitions

1

Not capable of being predicted; subject to change or uncertainty.

/ˌʌnprɪˈdɪktəbəl/

adjectiveneutralmedium
Descriptive

Not able to be predicted; uncertain.

The outcome of the election was unpredictable.

💡 Simply: Imagine a surprise party! You don't know when or how it's going to happen, that's unpredictable. It’s like when your friend randomly decides to change plans at the last minute.

👶 For kids: Something that you can't guess what will happen next.

More Examples

2

She has an unpredictable temper, so you never know how she will react.

3

The stock market is known for its unpredictable behavior.

How It's Used

Science

"The weather is often unpredictable."

Finance

"Market fluctuations can be unpredictable."

Psychology

"The patient's behavior was unpredictable."

From un- (not) + predictable. Predictable comes from the Latin 'praedicere' meaning 'to foretell'.

The word 'unpredictable' has been in use since the early 19th century, aligning with the development of statistics and probability.

Memory tip

Think of a weather forecast that is constantly changing - unpredictable!

Word Origin

LanguageLatin
Original meaning

"predict-to foretell; un - not, -able (capable of being done)"

unpredictable behaviorunpredictable weatherunpredictable resultsunpredictable market

Common misspellings

unpredicatableunpredictible

Usage

40%Spoken
60%Written