Wiktionary
a. Resembling a plum or some aspect of one.
WordNet
adj. resembling a plum fruit
Usage examples of "plumlike".
Then he tried a dumpling, surprisingly delicate, with a plumlike flavor.
You have not been through the experience of starting to ask the girl you love to marry you and then suddenly finding yourself talking about the plumlike external gills of the newly-born newt.
He slid his hands behind her knees, pulling her legs up before positioning the plumlike head of his cock at her entrance.
All about the office were pictures of prune groves: colored tints of trees laden with purplish, plumlike fruit.
She gave special attention to the dark, plumlike crown, circling each end of the barbell with her tongue before tonguing his slit, savoring the taste, the feeling.