Definition of probability in English:

probability

noun

  • 1The extent to which something is probable; the likelihood of something happening or being the case.

    ‘the rain will make the probability of their arrival even greater’
    • ‘I resonate with your point that probability balances out luck as more games are played.’
    • ‘He then shows how belief arises with both chance and probability.’
    • ‘This provides increasing probability of recombination and hence increased mapping resolution.’
    • ‘This step examines each hazard in terms of probability and severity to determine what the level of risk is when you're exposed to the hazard.’
    • ‘It's all in the hands of fate and probability, which our very educational maths classes taught us how to calculate.’
    • ‘It shows the extent to which this probability would increase with lower, and decrease with higher, screening costs.’
    • ‘The probability of that happening is probably somewhat lower than a conventional attack.’
    • ‘As in most of genetics, breeding good hips is largely a matter of chance, or probability.’
    • ‘Not only that but it has the same probability of happening as you buying two winning lottery tickets in one week.’
    • ‘In terms of probability, the chance of recombination increases with increase in length of the chromosome arm.’
    • ‘Simply put, the larger the number of plays, the more likely that the fixed probability will catch up with the player.’
    • ‘The probability of transformation is framed entirely in terms of the quality of the commodity.’
    • ‘He agreed with the coroner that on the balance of probability it was likely someone else had been in the graveyard when the stone fell on Adam.’
    • ‘It is a known and foreseeable hazard and has high probability.’
    • ‘For these reasons he also believes that the depression would have on the balance of probability been likely to occur in any case, although later.’
    • ‘By the same laws of probability, the chances that a random bus will spontaneously explode for no reason are slim to none.’
    • ‘The laws of probability say it cannot happen but Maine Road is still too fresh in the minds of Minstermen everywhere for it to be ignored just yet.’
    • ‘The judge was entitled to conclude that the patentees had lost a chance of making sales to those buyers - no doubt a chance of differing probability in each case.’
    • ‘They will continue to kidnap because probability shows that the chance of being caught and prosecuted in Trinidad is slim.’
    • ‘This holds provided that the initial probability of the hypothesis in relation to the background knowledge or belief is not zero.’
    • ‘The probability of this convergence happening by chance tends to zero as the number of experimental procedures increases.’
    • ‘He said, ‘In probability it would have happened, so you did it’, and that was it.’
    likelihood, likeliness, prospect, expectation, chance, chances, odds, possibility
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    1. 1.1 A probable or the most probable event.
      ‘for a time, revolution was a strong probability’
      ‘the probability is that it will be phased in over a number of years’
      • ‘This is only one of the probabilities for us now as we appear to be approaching the predicted end-game.’
      • ‘By ‘it is clear’, I mean that the facts establish this as a strong probability.’
      • ‘The chance that the recent combination of financial events would coincide was a low probability.’
      • ‘Anyway, there are two probabilities for what could happen between now and polling day.’
      • ‘The common scenarios in general practice all involve weighing up probabilities and accepting varying degrees of uncertainty.’
      • ‘The tribunal has established as a probability that the infection was caused by the Armour product.’
      • ‘If she is young and attractive, the court may consider her remarriage to be a strong probability.’
      • ‘Give us some sense about the probabilities that you are talking about here and what you are looking for.’
      probable event, prospect, possibility, fair bet, good bet, reasonable bet
      View synonyms
    2. 1.2Mathematics The extent to which an event is likely to occur, measured by the ratio of the favorable cases to the whole number of cases possible.
      ‘the area under the curve represents probability’
      ‘a probability of 0.5’
      • ‘Among seven people, there is about a 60 percent probability that two will have birthdays within a week of each other.’
      • ‘The probability of an event is the ratio of the favorable outcomes to the possible outcomes.’
      • ‘When there are twice as many attackers as defenders, the winning probability exceeds 80 percent.’
      • ‘In the field of mathematics he worked on probability, recurring decimals and the theory of equations.’
      • ‘An event which will definitely occur has probability 1, and everything else is somewhere in between.’

Origin

Late Middle English: from Latin probabilitas, from probabilis provable, credible (see probable).

Pronunciation:

probability

/ˌpräbəˈbilədē/