| diligently(adverb, thoroughly, seriously, vigorously, closely) |
| industriously(adverb, thoroughly, seriously, vigorously, closely) |
| carefully(adverb, fully, completely, vigorously, earnestly) |
| intently(adverb, thoroughly, closely, sharply, meticulously) |
| laboriously(adverb, thoroughly, vigorously, earnestly, hastily) |
| painstakingly(adverb, thoroughly, fully, vigorously, closely) |
| sedulously(adverb, good working) |
| strenuously(adverb, thoroughly, seriously, vigorously, closely) |
| persistently(adverb, thoroughly, seriously, vigorously, closely) |
| doggedly(adverb, thoroughly, closely, sharply, meticulously) |
| earnestly(adverb, thoroughly, fully, completely, hastily) |
| indefatigably(adverb, vigorously, earnestly, actively, hastily) |
| thoroughly(adverb, fully, completely, closely, carefully) |
| hard(adverb, very, thoroughly, fully, completely) |
| intensely |
| studiously(adverb, vigorously, earnestly, actively, hastily) |
| actively |
| arduously(adverb, vigorously, earnestly, actively, hastily) |
| determinedly(adverb, obstinately, stubbornly, diligently, doggedly) |
| energetically(adverb, vigorously, earnestly, actively, hastily) |