| assiduously(adverb, thoroughly, seriously, vigorously, closely) |
| diligently(adverb, thoroughly, seriously, vigorously, closely) |
| energetically(adverb, vigorously, earnestly, actively, hastily) |
| strenuously(adverb, hard, thoroughly, vigorously, closely) |
| laboriously(adverb, vigorously, earnestly, actively, hastily) |
| zealously(adverb, vigorously, earnestly, actively, hastily) |
| painstakingly(adverb, thoroughly, seriously, vigorously, closely) |
| sedulously |
| actively(adverb, vigorously, actively) |
| ardently(adverb, vigorously, earnestly, actively, hastily) |
| arduously(adverb, vigorously, earnestly, actively, hastily) |
| carefully(adverb, vigorously, earnestly, actively, hastily) |
| eagerly(adverb, vigorously, earnestly, actively, hastily) |
| indefatigably(adverb, vigorously, earnestly, actively, hastily) |
| persistently(adverb, thoroughly, seriously, vigorously, closely) |
| busily(adverb, actively, intently) |
| doggedly(adverb, thoroughly, closely, actively, meticulously) |
| earnestly(adverb, thoroughly, vigorously, closely, actively) |
| fervently(adverb, vigorously, earnestly, actively, hastily) |
| hard(adverb, thoroughly, closely, actively, spiritedly) |