Noun | 1. | ![]() incidence, relative incidence - the relative frequency of occurrence of something |
2. | morbidity - an abnormally gloomy or unhealthy state of mind; "his fear of being alone verges on morbidity" cognitive state, state of mind - the state of a person's cognitive processes | |
3. | ![]() quality - an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare perniciousness, toxicity - grave harmfulness or deadliness deadliness, lethality - the quality of being deadly jejunity, jejuneness - quality of lacking nutritive value putrescence, rottenness - the quality of rotting and becoming putrid unhealthfulness - the quality of promoting poor health |