sag /sæɡ/ BrE AmE verb ( past tense and past participle sagged , present participle sagging ) [intransitive]
[ Date: 1300-1400 ; Origin: Probably from a Scandinavian language ]
1 . to hang down or bend in the middle, especially because of the weight of something SYN droop :
The branch sagged under the weight of the apples.
The skin around my eyes is starting to sag.
a sagging roof
2 . to become weaker or less valuable OPP flourish :
attempts to revive the sagging economy
—sag noun [uncountable and countable] :
a sag in the mattress