Synonyms: industrious, hardworking, untiring, tireless
Definition: characterized by hard work and perseverance
Similar words: diligent
Definition: characterized by care and perseverance in carrying out tasks
Usage: a diligent detective investigates all clues; a diligent search of the files
Synonyms: energetic, industrious, gumptious, up-and-coming
Definition: working hard to promote an enterprise
Similar words: enterprising
Definition: marked by imagination, initiative, and readiness to undertake new projects
Usage: an enterprising foreign policy; an enterprising young man likely to go far