| dully(adverb, boring, seriously, deeply, slowly) |
| tediously(adverb, boring, seriously, deeply, slowly) |
| uninterestingly(adverb, boring, no interest) |
| weightily(adverb, seriously, deeply, slowly, laboriously) |
| gloomily(adverb, seriously, deeply, slowly, laboriously) |
| profoundly(adverb, seriously, intensely, strongly, deeply) |
| monotonously(adverb, boring, no interest) |
| ponderously(adverb, laboriously) |
| thickly(adverb, seriously, deeply, slowly, laboriously) |
| deeply |
| densely(adverb, seriously, deeply, slowly, laboriously) |
| dispiritingly(adverb, boring, no interest) |
| drably(adverb, boring, no interest) |
| dry(adverb, boring, no interest) |
| firmly(adverb, fast, fully, intensely, fiercely) |
| grimly |
| hard(adverb, easy, fast, intensely, fiercely) |
| heavy(adjective, adverb) |
| intemperately |
| intensely(adverb, fast, sprightly, severely, seriously) |