non-essential (adjective) nonessential: not needed or important
Sinonime: agitate,
agonize, bob,
buffet,
disturb, flounder, heave, jiggle, joggle,
jolt,
labor, lurch, move restlessly,
oscillate, pitch, rise and fall,
rock,
roll, seesaw,
shake, squirm,
stir,
sway,
swing,
thrash,
tumble, undulate,
wallow,
wave,
wobble, wriggle,
writheAntonime: lie still