Of firm build; stiff; stout; strong.
Resolute, in a good sense; or firm, unyielding quality.
Solid in structure or person.
A disease caused by a coenurus infestation in the brain of an animal, especially a sheep or canid; coenurosis.
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.
Used to indicate lack of sympathy
A person who obtains things by force; a thug or bully.
To endure.
To toughen.