IPA: /ˈdʒɜːrkɪli/
KK: /ˈdʒɜrkɪli/
In a way that is sudden and awkward, often with quick, sharp movements.
The car moved jerkily over the bumpy road.
Jerkily → It is formed from "jerk" (of uncertain origin, possibly imitative of the sudden movement) and the suffix "-ily" (meaning in a manner). The word "jerkily" describes an action done in a sudden or abrupt manner.
Think of a sudden movement that happens 'in a manner' — that's what jerkily means.