adj, slang ·Uncommon ·Advanced level

Definitions

Adjective

1. 1
   Nearly impossible to sell to others. colloquial

   "That used car has one thing going for it: it is sale-proof."

Example

More examples

"That used car has one thing going for it: it is sale-proof."

Etymology

From sale + -proof.

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