THESAURUS
concussion
abrasion, appulse, beating, blemish, blow, break, brunt, buffeting, bulldozing, bulling, bump, burn, cannon, carambole, carom, chafe, check, chip, clash, clip, clout, collision, crack, crack-up, crackle, crash, craze, crump, crunch, cut, encounter, flash burn, fracture, fray, frazzle, gall, gash, hammering, hurt, impact, impingement, incision, injury, jar, jarring, jolt, jolting, laceration, lesion, mauling, meeting, mortal wound, mutilation, onslaught, percussion, pounding, puncture, ramming, rent, repercussion, rip, run, rupture, scald, scorch, scrape, scratch, scuff, second-degree burn, shaking, shock, sideswipe, slash, sledgehammering, smash, smash-up, smashing, sore, stab, stab wound, tear, third-degree burn, thrusting, trauma, whomp, wound, wounds immedicable, wrench
ROGET THESAURUS
concussion
Impulse
N
impulse, sudden thought, impromptu, improvisation, inspiration, flash, spurt, improvisatore, creature of impulse, extemporaneous, impulsive, indeliberate, snap, improvised, improvisate, improvisatory, unpremeditated, unmeditated, improvise, unprompted, unguided, natural, unguarded, spontaneous, instinctive, extempore, extemporaneously, offhand, impromptu, a limproviste, improviso, on the spur of the moment, on the spur of the occasion, impulse, impulsion, impetus, momentum, push, pulsion, thrust, shove, jog, jolt, brunt, booming, boost, throw, explosion, propulsion, percussion,
concussion, collision, occursion, clash, encounter, cannon, carambole, appulse, shock, crash, bump, impact, elan, charge, beating, blow, dint, stroke, knock, tap, rap, slap, smack, pat, dab, fillip, slam, bang, hit, whack, thwack, cuff, squash, dowse, swap, whap, punch, thump, pelt, kick, punce, calcitration, ruade, arietation, cut, thrust, lunge, yerk, carom, carrom, clip, jab, plug, sidewinder, sidewipe, sideswipe, hammer, sledge hammer, mall, maul, mallet, flail, ram, rammer, battering ram, monkey, pile-driving engine, punch, bat, cant hook, cudgel, ax, dynamics, seismometer, accelerometer, earthquake detector, impelling, impulsive, impellent, booming, dynamic, dynamical, impelled, a hit, a very palpable hit.