'ladder-proof' definitions:

Definition of 'ladder-proof'

(from WordNet)
adjective
(of hosiery) resistant to runs or (in Britain) ladders [syn: runproof, ladder-proof, run-resistant]

Definition of 'ladder-proof'

From: GCIDE
  • ladder-proof \ladder-proof\ adj. resistant to runs or (in Britain) ladders; -- of hosiery.
  • Syn: runproof, run-resistant. [WordNet 1.5 +PJC]