flatless

English

Etymology

From flat +‎ -less.

Adjective

flatless (comparative more flatless, superlative most flatless)

  1. Without a flat.
  2. That will not deflate, without flatness.
    • 1991, Malcolm Abrams, Harriet Bernstein, More Future Stuff: Over 250 Inventions that Will Change Your Life by 2001[1]:
      In 1979, a California company began manufacturing a flatless polyurethane tire for wheelchairs.