unassailable
Speech parts
1. unassailable - Noun
2. unassailable - Adjective
3. unassailable - Adjective Satellite
Meaning
without flaws or loopholes
immune to attack; incapable of being tampered with
impossible to assail
Source: WordNetSynonyms
Antonyms
Show all antonymsExamples
an ironclad contract
a watertight alibi
a bulletproof argument
an impregnable fortress
fortifications that made the frontier inviolable
a secure telephone connection