assiduous russian

• усе́рдный

  diligent, industrious, hard-working, assiduous

  zealous, painstaking, laborious

• трудолюби́вый

  hard-working, industrious, diligent, assiduous

• стара́тельный

  diligent, assiduous, industrious

  painstaking

• прилежа́щий

  adjacent, adjoining, contiguous

  diligent, zealous, assiduous, eager to learn

• и́стовый

  earnest, assiduous, fervent, zealous

• уси́дчивый

  assiduous, diligent

• неосла́бный

  unremitting, assiduous, unabated

• усе́рдствующий

  diligent, zealous, assiduous, striving

• усе́рдствовавший

  diligent, zealous, assiduous, industrious (who was diligent)

• усе́рдно

  diligently, hard, assiduously, zealously

• стара́тельно

  diligently, painstakingly, assiduously, studiously

• приле́жно

  diligently, industriously, assiduously, studiously

• уси́ленно

  strenuously, intensely, hard, assiduously

  insistently, emphatically, urgently

• неосла́бно

  unremittingly, assiduously