unimpregnable

adjectiveC1

Định nghĩa theo từ loại

Tính từ

adjective

Comparative

more unimpregnable

Superlative

most unimpregnable

1.
Not impregnable; capable of being pierced or assailed.
2.
Incapable of being impregnated; impermeable or infertile.
The compound rendered the surface of the vessel unimpregnable.
Despite fertility treatment, one out of three women in the study remained unimpregnable.

Nguồn gốc từ

From un- + impregnable.