(medicine) A unit of measurement, equivalent to one year of life in perfect health, that can be used to decide whether a medical procedure is worthwhile for an individual.

plural of quality-adjusted life year

plural of defect of one's qualities

A virtue carried to excess, or other fault apt to accompany or flow from good qualities.

lacking quality or qualities

(rare, India, philosophy) The state or quality of being or having quality.

In terms of quality.

Absence of qualities.