impregnable

美音音标: [ɪm'preɡnəb(ə)l] impregnable
英音音标: [ɪm'preɡnəb(ə)l] result.0.expl|add:"

同义
inviolable impregnable unassailable unattackable strong secure
词性
s
解释
immune to attack; incapable of being tampered with
示例
an impregnable fortress|fortifications that made the frontier inviolable|a secure telephone connection

同义
impregnable conceptive
词性
s
解释
capable of conceiving
示例
None

同义
impregnable inexpugnable
词性
s
解释
incapable of being overcome, challenged or refuted
示例
an impregnable argument|impregnable self-confidence