jolt, shake, rattle, agitate, paralyze, startle, sicken, panic, threaten, transfix, shock, unnerve, alarm, intimidate, scare, terrify, horrify, daunt, disgust, frighten, distress, petrify, revolt, nauseate, make one's skin crawl, spook, appall, strike fear into, make one's hair stand on end, send chills down one's spine, scare the bejesus out of, scare the pants off of, make one's blood run cold, frighten someone out of their wits, scare the shit out of, scare shitless
grasp, clutch, squeeze, beat, pound, worry, crouch, bother, sweat, perspire, rise, mount, hide, dart, pant, secrete, stalk, menace, threaten, watch, wait, cower, grow, darken, cast a shadow, flare, intensify, pulse, lie (low/in wait), endanger, risk, imperil, hazard, jeopardize, suspend, trouble, alarm, intimidate, burgeon, heighten, degenerate, worsen, fear, dread, alert, lay low, guard, fret, throb, aggravate, exacerbate, warn, caution, loom, haunt, portend, tick, creep, bear down on, live in fear of, watch out/for, beware
scoot, split, skip, bolt, skedaddle, retreat, vanish, disappear, take off, abscond, skip town, flee, dash, escape, duck out, vamoose, turn tail, run away/off, run for it, cut out, scram, break free/out, slip away, cut and run, beat it, make a getaway, take to one's heels, take flight, head for the hills, get away
tear, belt, pelt, drive, boost, fly, skitter, scurry, chase, dart, race, run, scramble, scamper, scuttle, pursue, streak, gain momentum, zip, zoom, dash, hurry, rush, speed up, quicken, surge, hightail it, press on, hasten, sprint, race-walk, gather speed, run after, hotfoot it, break into a run, make haste, move it, step it, get moving, shake a leg, push oneself, turn tail, rush around