unimpeachable

unimpeachable adj.

無懈可擊的, 無可指責的, 無過失的, 無可懷疑的

英英解釋:形容詞unimpeachable:
1. beyond doubt or reproach
2. free of guilt; not subject to blame
同義詞：blameless, inculpable, irreproachable
3. completely acceptable; not open to exception or reproach
同義詞：unexceptionable