| zealously(adverb, seriously, vigorously, earnestly, actively) |
| carefully(adverb, hard, thoroughly, closely, firmly) |
| fervently(adverb, seriously, vigorously, earnestly, actively) |
| persistently(adverb, thoroughly, closely, strictly, resolutely) |
| resolutely(adverb, seriously, vigorously, earnestly, actively) |
| strenuously(adverb, thoroughly, closely, earnestly, heartily) |
| fixedly(adverb, closely, earnestly, definitely, resolutely) |
| actively(adverb, seriously, vigorously, earnestly, heartily) |
| ardently |
| purposefully(adverb, seriously, vigorously, earnestly, actively) |
| studiously |
| unremittingly(adverb, thoroughly, closely, sharply, meticulously) |
| vigorously(adverb, seriously, earnestly, actively, heartily) |
| watchfully(adverb, thoroughly, closely, earnestly, carefully) |
| indefatigably(adverb, resolutely) |
| absorbedly |
| continuously |
| energetically(adverb, earnestly, promptly, enthusiastically, meticulously) |
| faithfully(adverb, thoroughly, carefully, resolutely) |
| fervidly |