Princeton's WordNet

1. hazard, jeopardy, peril, risk, endangerment(noun)

   a source of danger; a possibility of incurring loss or misfortune

   "drinking alcohol is a health hazard"

2. risk, peril, danger(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"

3. risk, risk of infection(noun)

   the probability of becoming infected given that exposure to an infectious agent has occurred

4. risk, risk of exposure(verb)

   the probability of being exposed to an infectious agent

5. risk, put on the line, lay on the line(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"

6. gamble, chance, risk, hazard, take chances, adventure, run a risk, take a chance(verb)

   take a risk in the hope of a favorable outcome

   "When you buy these stocks you are gambling"

Kernerman English Learner's Dictionary

1. risk(noun)ɪsk

   the possibility of a bad result

   the risk of fire; There's the risk that she won't like you.; There will be significant financial risk.

2. riskɪsk

   in a situation where there is risk

   His actions put his friends at risk; a company at risk of bankruptcy

3. riskɪsk

   knowing that there is risk involved

   No lifeguard on duty. Swim at your own risk.

4. riskɪsk

   to be in a situation involving risk

   If you drink alcohol and drive, you run the risk of losing your license.

5. riskɪsk

   to do sth that you know involves risk

   She took a risk, played hard, and won.; users who take the risk of downloading from unsafe websites

6. riskɪsk

   sth that could cause problems

   The open sewers are a risk to health.

7. risk(verb)ɪsk

   to do sth knowing there is risk

   Don't risk your money on their stocks.; She risked being laughed at to say what she believed.

Wiktionary

1. risk(Noun)

   A possible, usually negative, outcome, e.g., a danger.

2. risk(Noun)

   The likelihood of a negative outcome.

3. risk(Verb)

   To incur risk [to something].

4. risk(Verb)

   To incur risk [of something].

5. risk(Verb)

   To incur risk [by something].

Webster Dictionary

1. Risk(noun)

   hazard; danger; peril; exposure to loss, injury, or destruction

2. Risk(noun)

   hazard of loss; liabillity to loss in property

3. Risk(noun)

   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

4. Risk(noun)

   to incur the risk or danger of; as, to risk a battle

U.S. National Library of Medicine

1. Risk

   The probability that an event will occur. It encompasses a variety of measures of the probability of a generally unfavorable outcome.

Dictionary of Military and Associated Terms

1. risk

   1. Probability and severity of loss linked to hazards. 2. See degree of risk. See also hazard; risk management.

• riskeerAfrikaans
• يُخاطِرArabic
• рискувамBulgarian
• arriscarPortuguese (BR)
• riskovatCzech
• riskierenGerman
• risikere; satseDanish
• διακινδυνεύω, ρισκάρωGreek
• arriesgarSpanish
• kaalule panemaEstonian
• خطر کردن؛ ریسک کردنFarsi
• vaarantaaFinnish
• risquerFrench
• לְסַכֵּןHebrew
• जोखिम में डालनाHindi
• riskirati, staviti na kockuCroatian
• (meg)kockáztatHungarian
• mempertaruhkanIndonesian
• stofna (e-u)í hættuIcelandic
• rischiareItalian
• ～をかけるJapanese
• 위태롭게 하다Korean
• rizikuotiLithuanian
• riskētLatvian
• terdedah kepada bahayaMalay
• riskerenDutch
• risikere, sette på spillNorwegian
• (za)ryzykowaćPolish
• خطر کردن؛ ریسک کردنPersian
• خطر لرلPashto
• arriscarPortuguese
• a riscaRomanian
• рисковатьRussian
• riskovaťSlovak
• tvegatiSlovenian
• rizikovatiSerbian
• riskeraSwedish
• เสี่ยงภัยThai
• tehlikeye atmak, riske sokmakTurkish
• 賭上Chinese (Trad.)
• ризикуватиUkrainian
• خطرہ میں ڈالنا یا پڑناUrdu
• liềuVietnamese
• 冒险做，拼命Chinese (Simp.)