unpredictable

[ uhn-pri-dik-tuh-buhl ]
/ ˌʌn prɪˈdɪk tə bəl /

adjective

not predictable; not to be foreseen or foretold: an unpredictable occurrence.

noun

something that is unpredictable: the unpredictables of life.

Origin of unpredictable

First recorded in 1855–60; un-1 + predictable

OTHER WORDS FROM unpredictable

un·pre·dict·a·bil·i·ty, un·pre·dict·a·ble·ness, noun un·pre·dict·a·bly, adverb

Example sentences from the Web for unpredictability

British Dictionary definitions for unpredictability

unpredictable
/ (ˌʌnprɪˈdɪktəbəl) /

adjective

not capable of being predicted; changeable

Derived forms of unpredictable

unpredictability or unpredictableness, noun unpredictably, adverb