tough

A person who obtains things by force; a thug or bully.

“They were doing fine until they encountered a bunch of toughs from the opposition.”

To endure.

To toughen.

Strong and resilient; sturdy.

“The tent, made of tough canvas, held up to many abuses.”

(of food) Difficult to cut or chew.

“To soften a tough cut of meat, the recipe suggested simmering it for hours.”

Rugged or physically hardy.

“Only a tough species will survive in the desert.”

Stubborn.

“He had a reputation as a tough negotiator.”

(of weather etc) Harsh or severe.

Rowdy or rough.

“A bunch of the tough boys from the wrong side of the tracks threatened him.”

(of questions, etc.) Difficult or demanding.

“This is a tough crowd.”

Undergoing plastic deformation before breaking.

Used to indicate lack of sympathy

“If you don't like it, tough!”