Definition of unpredictable in English:

unpredictable

adjective

  • Not able to be predicted; changeable:

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

Pronunciation:

unpredictable

/ʌnprɪˈdɪktəb(ə)l/