1. past tense of plump; to sit or fall down heavily and suddenly
2. past tense of plump; to make something fuller, rounder, or more swollen
3. past tense of plump; to choose or decide on something decisively
Usage: often used with ‘for’

Examples

• She plumped down on the sofa after a long day.
• He plumped the pillows before the guests arrived.
• The rain plumped the grapes on the vine.
• After much deliberation, she plumped for the blue dress.
• The cat plumped itself down in the sunny spot.
• The chef plumped the raisins in warm water.
• They plumped for the cheaper vacation option.