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.
Used to indicate lack of sympathy
A person who obtains things by force; a thug or bully.
Tearful.
Diluted or having too much water.
Weak and insipid.
Thin and pale therefore suggestive of water.
Resembling or characteristic of water.
Wet, soggy or soaked with water.
Discharging water or similar substance as a result of disease etc.