| determinedly(adverb, seriously, vigorously, earnestly, actively) |
| attentively(adverb, thoroughly, closely, earnestly, carefully) |
| hard(adverb, thoroughly, closely, earnestly, carefully) |
| assiduously(adverb, thoroughly, closely, sharply, meticulously) |
| earnestly(adverb, seriously, vigorously, actively, heartily) |
| intensely |
| doggedly(adverb, thoroughly, closely, strictly, resolutely) |
| raptly(adverb, closely, fixedly, attentively) |
| steadily(adverb, thoroughly, closely, earnestly, definitely) |
| diligently(adverb, thoroughly, closely, carefully, faithfully) |
| eagerly |
| heedfully(adverb, hard, thoroughly, closely, carefully) |
| mindfully(adverb, hard, thoroughly, closely, carefully) |
| steadfastly |
| closely(adverb, thoroughly, earnestly, carefully, sharply) |
| keenly |
| devotedly(adverb, resolutely) |
| heartily(adverb, resolutely) |
| observantly(adverb, attentively) |
| industriously(adverb, thoroughly, closely, meticulously, determinedly) |