| laboriously(adverb, badly, severely, vigorously, hardly) |
| arduously(adverb, badly, severely, vigorously, hardly) |
| hard(badly, hardly, harshly) |
| strenuously(adverb, difficultly) |
| complexly(adverb, difficultly) |
| difficultly(adverb, difficultly) |
| hardly(adverb, badly, severely, vigorously, painfully) |
| harshly(adverb, badly, severely, vigorously, hardly) |
| onerously(adverb, difficultly) |
| severely(adverb, difficultly) |
| tiredly(adverb, badly, severely, vigorously, hardly) |
| toughly(adverb, difficultly) |
| troublesomely(adverb, difficultly) |
| wearisomely(adverb, difficultly) |
| adversely(adverb, difficultly) |
| agonizingly(adverb, badly, severely, vigorously, hardly) |
| apathetically(adverb, wearily) |
| awkwardly(adverb, badly, severely, vigorously, hardly) |
| badly(adverb, severely, vigorously, hardly, painfully) |
| burdensomely(adverb, badly, severely, vigorously, hardly) |