unassailable
英 [?n?'se?l?b(?)l]
美[,?n?'sel?bl]
英英釋意
- 1. able to withstand attack;
- "an impregnable fortress"
- "fortifications that made the frontier inviolable"
- 2. impossible to assail
- 3. without flaws or loopholes;
- "an ironclad contract"
- "a watertight alibi"
- "a bulletproof argument"