| efficiently |
| emphatically(adverb, vigorously) |
| enthusiastic(adjective, enthusiastic) |
| expectantly(adverb, earnestly, promptly, enthusiastically, energetically) |
| exuberantly(adverb, vigorously) |
| ferociously(adverb, fast, sprightly, severely, intensely) |
| fervidly(adverb, energetically) |
| fierily(adverb, vigorously) |
| firmly(adverb, fast, fully, intensely, fiercely) |
| frantically(adverb, fast, sprightly, severely, seriously) |
| furiously(adverb, fast, sprightly, severely, seriously) |
| gravely(adverb, down, seriously, vigorously, earnestly) |
| hastily |
| hooked(adjective, enthusiastic) |
| hungrily(adverb, earnestly, promptly, enthusiastically, energetically) |
| impatiently(adverb, earnestly, promptly, enthusiastically, energetically) |
| in all conscience(expression, idiom, adverb, seriously, vigorously) |
| in all seriousness(expression, idiom, adverb, seriously, vigorously) |
| in earnest(expression, adverb, seriously, vigorously, earnestly) |
| in full swing(expression, idiom) |