| soberly(adverb, down, seriously, vigorously, earnestly) |
| solemnly(adverb, down, seriously, vigorously, earnestly) |
| sternly(adverb, seriously, vigorously, earnestly, actively) |
| straighten out(expression, adverb, seriously, vigorously, earnestly) |
| thoughtfully(adverb, seriously, vigorously, earnestly, actively) |
| vigorously(adverb, seriously, earnestly, actively, truly) |
| with a straight face(expression, idiom, adverb, seriously, vigorously) |
| with forethought(expression, adverb, seriously, vigorously, earnestly) |
| with sobriety(expression, adverb, seriously, vigorously, earnestly) |
| zealously(adverb, seriously, vigorously, earnestly, actively) |
| aside(adverb, seriously, actively, thoughtfully, purposefully) |
| austerely |
| bottom(seriously, actively, purposefully) |
| by oneself(expression, adverb, seriously, actively, thoughtfully) |
| concealed by(expression, adverb, seriously, actively, thoughtfully) |
| covered by(expression, adverb, seriously, actively, thoughtfully) |
| downstairs(adverb, seriously, actively, thoughtfully, purposefully) |
| grimly |
| held down(expression, adverb, seriously, actively, thoughtfully) |
| in isolation(expression, adverb, seriously, actively, thoughtfully) |