adverb
modifies a verb, adjective, or another adverb to indicate manner, time, place, or degree
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The robot moved jerkily as it tried to navigate through the narrow hallway.
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She danced jerkily to the music, trying to follow the beat.
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He drove jerkily down the road, swerving in and out of lanes.
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The conversation proceeded jerkily, with awkward pauses and stilted responses.