'Risk' definitions:

Definition of 'risk'

(from WordNet)
noun
A source of danger; a possibility of incurring loss or misfortune; "drinking alcohol is a health hazard" [syn: hazard, jeopardy, peril, risk, endangerment]
noun
A venture undertaken without regard to possible loss or injury; "he saw the rewards but not the risks of crime"; "there was a danger he would do the wrong thing" [syn: risk, peril, danger]
noun
The probability of becoming infected given that exposure to an infectious agent has occurred [syn: risk, risk of infection]
noun
The probability of being exposed to an infectious agent [syn: risk, risk of exposure]
verb
Expose to a chance of loss or damage; "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" [syn: risk, put on the line, lay on the line]
verb
Take a risk in the hope of a favorable outcome; "When you buy these stocks you are gambling" [syn: gamble, chance, risk, hazard, take chances, adventure, run a risk, take a chance]

Definition of 'Risk'

From: GCIDE
  • Risk \Risk\, n. [F. risque; cf. It. risco, risico, rischio, Pg. risco, Sp. riesgo, and also Sp. risco a steep rock; all probably fr. L. resceare to cut off; pref. re- re- + secare to cut; -- the word having been probably first used among sailors. See Section.]
  • 1. Hazard; danger; peril; exposure to loss, injury, or destruction. [1913 Webster]
  • The imminent and constant risk of assassination, a risk which has shaken very strong nerves. --Macaulay. [1913 Webster]
  • 2. (Com.) Hazard of loss; liabillity to loss in property. [1913 Webster]
  • To run a risk, to incur hazard; to encounter danger. [1913 Webster]
  • Syn: Danger; hazard; peril; jeopardy; exposure. See Danger. [1913 Webster]

Definition of 'Risk'

From: GCIDE
  • Risk \Risk\, v. t. [imp. & p. p. Risked; p. pr. & vb. n. Risking.] [CF. F. risquer. See Risk, n.]
  • 1. To expose to risk, hazard, or peril; to venture; as, to risk goods on board of a ship; to risk one's person in battle; to risk one's fame by a publication. [1913 Webster]
  • 2. To incur the risk or danger of; as, to risk a battle. [1913 Webster]
  • Syn: To hazard; peril; endanger; jeopard. [1913 Webster]

Synonyms of 'risk'

From: Moby Thesaurus