Word Study
hardworking
CIDE DICTIONARY
hardworking, adj.
habitually working diligently and for long hours. [WordNet 1.5]
THESAURUS
hardworking
ardent, assiduous, diligent, drudging, energetic, fervent, grinding, grubbing, hard, indefatigable, industrious, laboring, laborious, never idle, pegging, plodding, plugging, relentless, sedulous, slaving, sleepless, slogging, straining, strenuous, striving, struggling, sweating, tireless, toiling, unflagging, unremitting, unsleeping, unsparing, unwearied, vehement, working, zealousFor further exploring for "hardworking" in Webster Dictionary Online