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Synonyms

hazard

American  
[haz-erd] / ˈhæz ərd /

noun

  1. an unavoidable danger or risk, even though often foreseeable.

    The job was full of hazards.

    Antonyms:
    safety
  2. something causing unavoidable danger, peril, risk, or difficulty.

    The many hazards of the big city did nothing to convince her to leave.

  3. the absence or lack of predictability; chance; uncertainty.

    There is an element of hazard in the execution of the most painstaking plans.

    Synonyms:
    fortuitousness, fortuity, accident
  4. Golf. a bunker, sand trap, or the like, constituting an obstacle.

  5. the uncertainty of the result in throwing a die.

  6. a game played with two dice, an earlier and more complicated form of craps.

  7. Court Tennis. any of the winning openings.

  8. (in English billiards) a stroke by which the player pockets the object ball winning hazard or their own ball after contact with another ball losing hazard.


verb (used with object)

  1. to offer (a statement, conjecture, etc.) with the possibility of facing criticism, disapproval, failure, or the like; venture.

    He hazarded a guess, with trepidation, as to her motives in writing the article.

  2. to put to the risk of being lost; expose to risk.

    In making the investment, he hazarded all his savings.

    Synonyms:
    imperil, peril, endanger, stake
  3. to take or run the risk of (a misfortune, penalty, etc.).

    Thieves hazard arrest.

  4. to venture upon (anything of doubtful issue).

    to hazard a dangerous encounter.

idioms

  1. at hazard, at risk; at stake; subject to chance.

    His reputation was at hazard in his new ventures.

hazard British  
/ ˈhæzəd /

noun

  1. exposure or vulnerability to injury, loss, evil, etc

  2. at risk; in danger

  3. a thing likely to cause injury, etc

  4. golf an obstacle such as a bunker, a road, rough, water, etc

  5. chance; accident (esp in the phrase by hazard )

  6. a gambling game played with two dice

  7. real tennis

    1. the receiver's side of the court

    2. one of the winning openings

  8. billiards a scoring stroke made either when a ball other than the striker's is pocketed ( winning hazard ) or the striker's cue ball itself ( losing hazard )

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

verb

  1. to chance or risk

  2. to venture (an opinion, guess, etc)

  3. to expose to danger

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Related Words

See danger.

Other Word Forms

Etymology

Origin of hazard

First recorded in 1250–1300; Middle English hasard from Old French, perhaps from Arabic al-zahr “the die”

Explanation

If something is a hazard, it is a potential source of danger. Balloons are fun, but they're a hazard for little kids who might put them in their mouths. If you play miniature golf, you have to watch for hazards on the course — obstacles like the sand trap beside the dinosaur or the water hazard just past the windmill. As a verb, hazard means to take a risk, especially for the chance of a good return. You might hazard your chances at the roulette table or hazard a guess — that is, risk making a guess when you aren't certain.

Keep Reading on Vocabulary.com

Vocabulary lists containing hazard

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Researchers say these insights could improve future volcanic hazard forecasting.

From Science Daily • May 14, 2026

"It's really hazardous to have loose items like rolled-up towels. Babies can easily grab them and cover themselves with them... which is an overheating and breathing hazard," said Ball.

From BBC • May 5, 2026

The police union may try to negotiate for bonus, hazard and standby pay for officers who work the Games when their contract expires next June.

From Los Angeles Times • May 1, 2026

In the fight over solar development, Heath said he was bombarded by just about every argument from critics — including claims that solar fields are a health hazard.

From Salon • Apr. 27, 2026

The hazard from radiation in its various forms is now reasonably well understood — although still denied in surprising places.

From "Silent Spring" by Rachel Carson

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