having a strong desire for success

desiring success

(the fur of) a kind of animal that lives on land and in water and makes dams across rivers

eager beaver

describing a situation when prices are rising

forceful

a machine used for changing steam-power, water-power etc into electrical energy

go-getter

full of, done with, energy

full of life; forceful

(of a person, character, argument etc) convincing, believable

effective, powerful

an apparatus for grinding

hardworking

willing to work long and hard

hardworking

of, relating to, produced by, motion

energetic

(especially of drugs or alcoholic drink) strong

effective, powerful, forceful

accept responsibility for a person from another person

energetic, powerful

strong; energetic

energetic, powerful