- rumple (v.)
- c.1600, possibly a variant of rimple "to wrinkle" (14c.), from O.E. hrympel; possibly influenced by M.Du. rumpelen.
- frumpy
- 1746, "cross-tempered," from frump (n.) "bad temper" (1660s) and an earlier v. meaning "to mock, browbeat" (1550s), of obscure origin, perhaps imitative of a sneer or derisive snort. Sense of "sour-looking, unfashionable" is from 1825, but this may be a shortening of frumple "to wrinkle, crumple" (late 14c.), from M.Du. verrompelen, from ver- "completely" + rompelen "to rumple." Related: Frumps. Cf. also frump.