jerk and down (verb) bounce: spring up; rebound
Sinonime: annoying,
bulky, chancy, cramped,
cumbersome,
dangerous,
disagreeable, discommodious, hard to use, hazardous, incommodious,
inconvenient,
perilous, risky,
troublesome,
uncomfortable, unhandy, unmanageable, unwieldy
Antonime: convenient,
easy,
straightforward