| energetically(adverb, fast, fully, intensely, fiercely) |
| fixedly(adverb, firm, sharply, solidly, tightly) |
| grimly |
| inflexibly(adverb, strongly, definitely, rigidly, obstinately) |
| powerfully(adverb, fast, fully, intensely, fiercely) |
| stoutly(adverb, fully, quickly, strongly, heavily) |
| sturdily(adverb, fully, powerfully, strongly, greatly) |
| tenaciously(adverb, firm, resolutely, obstinately, stubbornly) |
| vigorously(adverb, fast, fully, intensely, fiercely) |
| unwaveringly |
| unyieldingly(adverb, inelastically) |
| adamantly(adverb, definitely, resolutely, determinedly, obstinately) |
| close(adverb, fast, intensely, fiercely, violently) |
| compactly |
| concretely(adverb, solidly) |
| decidedly |
| definitely(adverb, absolutely, very, really, exactly) |
| determinedly |
| devotedly(absolutely, very, really, exactly, sincerely) |
| durably(adverb, severely, strongly, definitely, strictly) |