усердный

navus [a, um] (homo navus et industrius);
diligens;
assiduus [a, um] (dominus);
sedulus [a, um];
contentus [a, um];
impiger [gra, um];
acer [acri, acre] (in rebus gerendis);
animosus [a, um] (corruptor);
volens [ntis];
studiosus [a, um] (alicujus rei);
frequens [ntis] (Platonis auditor);