Flatless

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Without a flat.
  2. 2
    That will not deflate, without flatness.

    "In 1979, a California company began manufacturing a flatless polyurethane tire for wheelchairs."

Example

More examples

"In 1979, a California company began manufacturing a flatless polyurethane tire for wheelchairs."

Etymology

From flat + -less.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.