assiduous russian
стара́тельный
diligent, assiduous, painstaking
industrious
трудолюби́вый
hard-working, industrious, diligent, assiduous
и́стовый
earnest, assiduous, fervent, zealous
приле́жно
diligently, industriously, assiduously, studiously
усе́рдный
zealous, diligent, assiduous, painstaking
приле́жный
diligent, industrious, assiduous, studious
стара́тельно
diligently, with application, with assiduity, studiously, assiduously, zealously
неосла́бно
unremittingly, assiduously
неосла́бный
unremitting, assiduous, unabated
прилежа́ние
diligence, industry, assiduousness, assiduity, application, studiousness
уси́дчивый
assiduous, diligent