plumpish adjective 1adverb 1forms 2 adjective1 •Somewhat plump. adverb1 •(informal) In a blunt and direct fashion.This lass, Nelly Long, she was dressish and dapper, And, though our Dick was a good looked lad, She snubb'd him, scop'd him, for she was a snapper, And told him quite plumpish—she wan't to be had: […] — 1829 formsmore plumpish · most plumpish