- zip (v.1)
- "move rapidly," 1852, of echoic origin. Meaning "close with a zipper" is from 1932. Related: Zipped; zipping.
- zip (n.2)
- "zero," 1900, student slang for a grade of zero on a test, etc.; of unknown origin; compare zilch.
- zip (v.2)
- "to close or fasten by means of a zipper," 1932, back-formation from zipper (n.). Related: Zipped; zipping; zipless.
- ZIP (adj.)
- 1963, in U.S. postal ZIP code, an acronym for Zone Improvement Plan, no doubt chosen with conscious echo of zip (v.1).
- zip (n.1)
- "sound of something moving rapidly," 1875, imitative. Zip gun "homemade pistol" first recorded 1950.
