Irrevocable (adjective)
ناقابل تنسیخ، ناقابل واپسی، اٹل
not able to be changed, reversed, or recovered; final.
Example: “an irrevocable step”
Penetrate (verb)
گھسنا، آر پار ہو جانا
go into or through (something), especially with force or effort.
Example: “the shrapnel had penetrated his head”