chance on


  1. the absence of any cause of events that can be predicted, understood, or controlled: often personified or treated as a positive agency: Chance governs all.
  2. luck or fortune: a game of chance.
  3. a possibility or probability of anything happening: a fifty-percent chance of success.
  4. an opportune or favorable time; opportunity: Now is your chance.
  5. Baseball. an opportunity to field the ball and make a put-out or assist.
  6. a risk or hazard: Take a chance.
  7. a share or ticket in a lottery or prize drawing: The charity is selling chances for a dollar each.
  8. chances, probability: The chances are that the train hasn’t left yet.
  9. Midland and Southern U.S. a quantity or number (usually followed by of).
  10. Archaic. an unfortunate event; mishap.

verb (used without object), chanced, chanc·ing.

  1. to happen or occur by chance: It chanced that our arrivals coincided.

verb (used with object), chanced, chanc·ing.

  1. to take the chances or risks of; risk (often followed by impersonal it): I’ll have to chance it, whatever the outcome.


  1. not planned or expected; accidental: a chance occurrence.

Verb Phrases

  1. chance on/upon, to come upon by chance; meet unexpectedly: She chanced on a rare kind of mushroom during her walk through the woods.
  1. by chance, without plan or intent; accidentally: I met her again by chance in a department store in Paris.
  2. on the chance, in the mild hope or against the possibility: I’ll wait on the chance that she’ll come.
  3. on the off chance, in the very slight hope or against the very slight possibility.


    1. the unknown and unpredictable element that causes an event to result in a certain way rather than another, spoken of as a real force
    2. (as modifier)a chance meeting Related adjective: fortuitous
  1. fortune; luck; fate
  2. an opportunity or occasion
  3. a risk; gambleyou take a chance with his driving
  4. the extent to which an event is likely to occur; probability
  5. an unpredicted event, esp a fortunate onethat was quite a chance, finding him here
  6. archaic an unlucky event; mishap
  7. by chance
    1. accidentallyhe slipped by chance
    2. perhapsdo you by chance have a room?
  8. chances are… or the chances are… it is likely (that) …
  9. on the chance acting on the possibility; in case
  10. the main chance the opportunity for personal gain (esp in the phrase an eye to the main chance)


  1. (tr) to risk; hazardI’ll chance the worst happening
  2. to happen by chance; be the case by chanceI chanced to catch sight of her as she passed
  3. chance on or chance upon to come upon by accidenthe chanced on the solution to his problem
  4. chance one’s arm to attempt to do something although the chance of success may be slight

late 14c., “to come about, to happen,” from chance (n.). Meaning “to risk” attested from 1859. Related: Chanced; chancing.


c.1300, “something that takes place, what happens, an occurrence” (good or bad, but more often bad), from Old French cheance “accident, chance, fortune, luck, situation, the falling of dice” (12c., Modern French chance), from Vulgar Latin *cadentia “that which falls out,” a term used in dice, from neuter plural of Latin cadens, present participle of cadere “to fall” (see case (n.1)).

In English frequently in plural, chances. The word’s notions of “opportunity” and “randomness” are as old as the record of it in English and now all but crowd out the word’s original notion of “mere occurrence.” Main chance “thing of most importance” is from 1570s, bearing the older sense. The mathematical (and hence odds-making) sense is attested from 1778. To stand a chance (or not) is from 1796.

To take (one’s) chances “accept what happens” (early 14c.) is from the old, neutral sense; to take a chance/take chances is originally (by 1814) “participate in a raffle or lottery or game;” extended sense of “take a risk” is by 1826.

Also, chance upon. Happen upon, find or meet accidentally, as in In Paris we chanced on a wonderful little restaurant, or Andrew chanced upon his karate teacher in the health-food store. [Mid-1500s]

In addition to the idioms beginning with chance

  • chance it
  • chance on

also see:

  • by chance
  • Chinaman’s chance
  • eye to the main chance
  • fat chance
  • fighting chance
  • jump at (the chance)
  • not have an earthly chance
  • on the (off) chance
  • snowball’s chance in hell
  • sporting chance
  • stand a chance
  • take a chance
  • take one’s chances
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