Runty in a sentence as an adjective

I had a particularly smart and runty beagle when I was a kid that watched the cats jump the fence once, and then worked out that she could leave whenever she wanted.

Runty definitions

adjective

well below average height

See also: pint-size pint-sized sawed-off sawn-off

adjective

(used especially of persons) of inferior size

See also: puny shrimpy