A person who does not take action.
Showing no optical activity in polarized light.
Retired from duty or service.
Not engaging in physical activity.
Relatively inert.
Not functioning or operating; broken down
Not active, temporarily or permanently.
A person who obtains things by force; a thug or bully.
Used to indicate lack of sympathy
Harsh or severe.
Difficult or demanding.
Stubborn or persistent; capable of stubbornness or persistence.
Strong and resilient; sturdy.
Undergoing plastic deformation before breaking.
Difficult to cut or chew.
Rugged or physically hardy.
Rowdy or rough.
To endure.
To toughen.