Synonyms of assiduous
- 1 Syllable
- whiz
- 2 Syllables
- come-through, hellbent, busiest, studious, grinder, zealous, grinding, plugging, constant, busier, busy, steady, slambang, slam-bang
- 3 Syllables
- active, laborious, unflagging, persistent, industrious, fussbudget, hard-working, bulldogged, diligent, painstaking, unfailing, careful, scrupulous, sedulous, unwearying, hardworking, engrossed, untiring, exacting
- 4 Syllables
- unretiring, persevering, attentive
- 6 Syllables
- indefatigable