공격해서 함락시키거나 뚫고 들어갈 수 없는
(of a fortified position) unable to be captured or broken into
예문:
"The fortress was considered impregnable until the invention of heavy artillery."
"The team's defense remained impregnable throughout the entire tournament."
논리나 신념 등이 매우 강력하여 반박하거나 꺾을 수 없는
Unable to be defeated, destroyed, or questioned; having a strong foundation
예문:
"He built an impregnable argument that left his opponents with no room for rebuttal."
"Despite the scandal, her position as CEO remained impregnable due to the board's support."
생물학적으로 수정되거나 수태될 수 있는 상태의
Capable of being impregnated or fertilized
예문:
"The biological conditions must be precise for the egg to be impregnable."
"Certain chemicals can affect whether the cell remains impregnable during the cycle."