jerkily (adv.)

• capriciously
• eccentrically
• erratically
• fitfully
• haltingly
• intermittently
• irregularly
• patchily
• quaveringly
• roughly
• shakily
• shudderingly
• spasmodically
• sporadically
• tremulously
• uncertainly
• unevenly
• unpredictably
• unsteadily
• unsystematically
• variably
• waveringly
• whimsically