having a full rounded shape

the berries were plump and sweet

shake or pat (a cushion or pillow) to adjust its stuffing and make it rounded and soft

she plumped up her pillows

I was running from the kitchen to the living room, plumping the cushions and getting drinks in place

set (something) down heavily or unceremoniously

she plumped her bag on the table

an abrupt plunge; a heavy fall

the wagon came into a deep hole, with such a plump

with a sudden or heavy fall

she sat down plump on the bed

directly and bluntly

he must tell her plump and plain that he was on the dole

a flock of wildfowl

a plump of ducks rose at the same time