Leak-proof

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Alternative spelling of leakproof. alt-of, alternative

Synonyms

All synonyms
tightairtightballproofbombproofbulletproofburglarproof

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