Definition of unpredictable in English:

unpredictable

adjective

  • Not able to be predicted; changeable.

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