Definition of "Worth" :
noun: the quality that renders something desirable or valuable or useful
noun: French couturier (born in England) regarded as the founder of Parisian haute couture; noted for introducing the bustle (1825-1895)
noun: an indefinite quantity of something having a specified value
"10 dollars worth of gasoline."
adjective: having a specified value
"Not worth his salt."
adjective: (often used ironically) worthy of being treated in a particular way
"An idea worth considering."