Robust, strong.
Full-bodied
Of, relating to, or connected with muscles.
Having large, well-developed muscles.
Brawny, thewy, having strength.
Strong and resilient; sturdy.
Harsh or severe.
Difficult or demanding.
Stubborn or persistent; capable of stubbornness or persistence.
Undergoing plastic deformation before breaking.
Difficult to cut or chew.
Rugged or physically hardy.
Rowdy or rough.
To endure.
To toughen.
A person who obtains things by force; a thug or bully.
Used to indicate lack of sympathy