mark somebody/something ↔ out phrasal verb ( see also ↑ mark )
1 . to show the shape or position of something by drawing lines around it:
A volleyball court had been marked out on the grass.
2 . British English to make someone or something seem very different from or better than other similar people or things
mark somebody/something out as something
His stunning victory marked him out as the very best horse of his era.
mark somebody out for something
She seemed marked out for success.