intransitive verb sagged, sagging sag′·ging

1. to sink, bend, or curve, esp. in the middle, from weight or pressure
2. to hang down unevenly or loosely
3. to lose firmness, strength, or intensity; weaken through weariness, age, etc.; droop sagging spirits
4. to decline in price, value, sales, etc.
5. Naut. to drift to sag to leeward

Etymology: ME saggen, prob. < Scand, akin to Swed sacka, Norw dial. sakka, sagga < IE base *sengw-, to sink

transitive verb

noun

1. the act or an instance of sagging
2. the degree or amount of sagging
3. ☆ a place of sagging; sunken or depressed place