congenital

congenital blindness/heart disease先天性失明/心脏病

a congenital defect先天缺陷

The irregularity in my backbone is probably congenital.我的脊椎畸形很有可能是先天的。

He's a congenital liar. [=he's a liar by nature; he has always lied a lot and is likely to continue to lie]他是个生性好说谎的人。