- slim (adj.)
- 1650s, "thin, slight, slender," from Dutch slim "bad, sly, clever," from Middle Dutch slim "bad, crooked," from Proto-Germanic *slembaz "oblique, crooked" (cf. Middle High German slimp "slanting, awry," German schlimm "bad"). Slimnastics first recorded 1967 (with an isolated use from 1959). Slim Jim attested from 1887 in sense of "very thin person;" from 1902 as a type of slender cigar; from 1975 as a brand of meat snack.
- slim (v.)
- "try to reduce (one's) weight," 1930, from slim (adj.). Related: Slimmed; slimming.