Unpredictable

/ˌʌnprɪˈdɪktəbl/

Meaning & Definition

adjective

Not able to be predicted or foreseen; subject to chance.

The weather in the mountains can be quite unpredictable, changing from sunny to stormy in a matter of minutes.

Characterized by a lack of consistency or regularity.

Her moods were unpredictable, leaving everyone around her unsure of what to expect.

Difficult to foresee; uncertain.

The stock market can be an unpredictable environment for investors.

Unforeseeable in terms of outcomes or behaviors.

The unpredictable nature of wild animals makes them fascinating to observe in their natural habitat.

From un- (not) + predictable (capable of being predicted).

wild card

something or someone whose behavior is unpredictable and may influence the outcome of events.

up in the air

in a state of uncertainty; not yet settled.

throw a curveball

to surprise someone with an unexpected event or change.

predictable

capable of being foretold or anticipated.

random

lacking any definite plan or prearranged order.

variable

able to change or be changed; not consistent.

a wild card

He's such a wild card; you never know what he's going to do next.

playing it by ear

I'm not sure how the night will go; I'm just playing it by ear.