- Irregular motion.
A pendulum, see-saw, rocker, rocking-chair, rocking-horse, etc.
(Verbs). To oscillate, vibrate, undulate, librate, wave, rock, swing, sway, pulsate, beat, wag, waggle, nod, bob, tick, play, wamble, wabble, waddle, dangle, swag, curtsy.
To fluctuate, vacillate, dance, curvet, reel, quake, quaver, roll, top, pitch, flounder, stagger, totter, brandish, shake, flourish, move up and down, to and fro, backwards and forwards, to pass and repass, to beat up and down.
(Adjectives). Oscillating, etc., oscillatory, vibratory, vibratile, vibrant, vibrational, undulatory, pulsatory, pendulous, libratory, systaltic.
(Adverbs). To and fro, up and down, backwards and forwards, see-saw, zigzag, wibble-wabble.
Agitation (Substantives), stir, tremor, shake, ripple, jog, jolt, jar, succussion, trepidation, quiver, quaver, dance, jactitation, jactitancy, restlessness, shuffling, twitter, flicker, flutter, bobbing.
Disturbance, perturbation, commotion, turmoil, welter, bobbery; turbulence, tumult, tumultuation, jerk, throe, convulsion, spasm 173, twitch, tic, subsultus, staggers, St. Vitus's dance, epilepsy, writhing, ferment, fermentation, effervescence, hurly-burly, splatter-dash; ground swell.
(Verbs). To be agitated, to shake, tremble, quiver, quaver, shiver, dither, twitter, twire, writhe, toss about, tumble, stagger, bob, reel, wag, waggle, dance, wriggle, squirm, stumble, flounder, shuffle, totter, dodder, shamble, flounce, flop, curvet, prance, throb, pulsate, beat, palpitate, go pit-a-pat, flutter, flitter, flicker, bicker, twitch.
(Phrases). To jump like a parched pea; to be all of a tremble; to shake like an aspen leaf; to drive from pillar to post.
To agitate, shake, convulse, toss, tumble, bandy, wield, brandish, flap, flourish, whisk, switch, jerk, hitch, jolt, jog, joggle, jostle, hustle, disturb, shake up, churn, jounce, ferment, effervesce, boil.
(Adjectives). Shaking, etc., agitated, tremulous, shivery, tottery, jerky, shaky, quivery, quavery, trembly, choppy, rocky, wriggly, desultory, subsultory, shambling, giddy-paced, saltatory.
(Adverbs). By fits and starts; subsultorily, per saltum 139.