Definition of unpredictable in English:

unpredictable

adjective

  • Not able to be predicted; changeable.

    ‘the unpredictable weather of the Scottish islands’
    • ‘We need to reset the variables excluding anything unpredictable and run the script once again.’
    • ‘They moved down the pipe and shifted in mostly unstable, unpredictable ways.’
    • ‘The unpredictable aspect of political warfare - future events - may change all that.’
    • ‘With the weather so unpredictable I spent a lot of Saturday in the kitchen.’
    • ‘The weather is unpredictable, ranging from heat and humidity to thunderstorms.’
    • ‘You wouldn't put a half-time change of manager past this unpredictable Hearts regime.’
    • ‘With the region's unpredictable weather conditions, the team is hopeful of an exciting race.’
    • ‘Changeable and unpredictable, it lacks structure, control and conformity.’
    • ‘We live in uncertain times when change has never been so rapid or unpredictable.’
    • ‘The brown cloud shows man's activities are making climate change more unpredictable everywhere.’
    • ‘People who want to think ahead need to recognise that the world predictably changes in unpredictable ways.’
    • ‘Communication is difficult now because he is both deaf and has an unpredictable temper.’
    • ‘Make sure you pack a few warm clothes in your hand luggage as you know how unpredictable English weather can be.’
    • ‘Then the weather started to change, Andalucia seems almost as unpredictable as Yorkshire.’
    • ‘The future direction of the Irish property market has become as unpredictable as the weather.’
    • ‘Conduction of atrial impulses to the ventricles is variable and unpredictable.’
    • ‘Every year the weather is most unpredictable for this event and this year's was no exception.’
    • ‘As is so often the case in this job, I'm trying to predict the unpredictable and plan for the unknown.’
    • ‘This is a good combination as Aquarius is a wacky, unpredictable sign, but Capricorn is sensible and steady.’
    • ‘In addition, an unpredictable change in franchise agreements in the summer could delay the work even further.’
    unforeseeable, undivinable, incalculable, uncertain, unsure, doubtful, dubious, in the balance, up in the air, random, arbitrary
    erratic, moody, volatile, unstable, fickle, capricious, whimsical, temperamental, mercurial, changeable, variable, inconstant, undependable, unreliable, unmanageable, impulsive
    View synonyms

Pronunciation

unpredictable

/ʌnprɪˈdɪktəb(ə)l/