What is the meaning of risk?

noun

• A source of danger; a possibility of incurring loss or misfortune.
  • usage: "drinking alcohol is a health hazard"
  • synonyms: hazard, jeopardy, peril, endangerment
• A venture undertaken without regard to possible loss or injury.
  • usage: "he saw the rewards but not the risks of crime"; "there was a danger he would do the wrong thing"
  • synonyms: peril, danger
• The probability of becoming infected given that exposure to an infectious agent has occurred.
  • synonyms: risk of infection
• The probability of being exposed to an infectious agent.
  • synonyms: risk of exposure

verb

• Expose to a chance of loss or damage.
  • usage: "We risked losing a lot of money in this venture"; "Why risk your life"; "She laid her job on the line when she told the boss that he was wrong"
  • synonyms: put on the line, lay on the line
• Take a risk in the hope of a favorable outcome.
  • usage: "When you buy these stocks you are gambling"
  • synonyms: gamble, chance, hazard, take chances, adventure, run a risk, take a chance