| Definition |
Author |
| Risk equals the expected loss |
(Willis, 2007) |
| Risk equals the expected disadvantage |
(Campbell, 2005) |
| Risk is the probability of an unfavorable result |
(Graham and Weiner, 1995) |
| Risk is the probability of unfavorable effects, and a measure of its severity |
(Lowrance, 1976) |
| Risk is the combination of an event and its consequences |
(ISO, 2002) |
| Risk equals a two-dimensional combination of events / consequences and related uncertainties |
(Aven, 2007) |
| Risk denotes the uncertainty of results, actions and events |
(Cabinet Office, 2002) |
| Risk is an uncertain outcome of an event or an activity related to something valued by humans |
(IRGC, 2005) |
