| energetically(adjective, adverb, hard, vigorously, earnestly) |
| arduously(adverb, badly, severely, vigorously, earnestly) |
| industriously(adjective, adverb, hard, thoroughly, vigorously) |
| laboriously(adverb, badly, severely, vigorously, earnestly) |
| vigorously(adjective, adverb, hard, badly, severely) |
| hard(adverb, strong, thoroughly, closely, extremely) |
| actively(adverb, earnestly, strongly, promptly, enthusiastically) |
| assiduously(adverb, thoroughly, seriously, vigorously, closely) |
| diligently(adverb, thoroughly, seriously, vigorously, closely) |
| hardly |
| intensely |
| forcefully |
| mightily(adverb, forcefully) |
| spiritedly(adverb, vigorously, earnestly, hastily, carefully) |
| zealously(adverb, vigorously, earnestly, hastily, carefully) |
| ardently(adverb, vigorously, earnestly, hastily, carefully) |
| difficultly(adverb, difficultly) |
| forcibly |
| indefatigably(adverb, vigorously, earnestly, actively, hastily) |
| intently(adverb, thoroughly, closely, earnestly, heartily) |