having a strong desire for success

desiring success

intentional and not by chance

intentional

(of a person, action) showing a serious wish to do something successfully

driven, persistent

serious and determined

very enthusiastic

an apparatus for grinding

hardworking

willing to work long and hard

hardworking

very determined

determined, strong-willed

holding tightly; very determined to get or keep something, be successful in winning an argument etc

strong, unyielding