appulse, backfire, backlash, backlashing, bang, bang into, boomerang, bounce, bounce back, bound, bound back, brunt, bulldozing, bulling, bump, bump into, cannon, cannon off, carambole, carom
into, clash, collide, collision, come into collision, concuss, concussion, confront each other, contrecoup, crack up, crack-up, crash, crash into, crump, crunch, dap, dash into, encounter, fall foul of, fly back, foul, glance, graze, hammering, have repercussions, hit, hit against, hurt, hurtle, impact, impinge, impingement, kick, kick back, kickback, knock, knock against, lash back, mauling, meet, meeting, onslaught, percuss, percussion, ramming, rebound, rebuff, recalcitrate, recalcitration, recoil, repercuss, repercussion, repulse, resile, resilience, ricochet, run into, shock, sideswipe, skim, skip, slam into, sledgehammering, smack into, smash, smash into, smash up, smash-up, smashing, snap back, spring, spring back, strike, strike against, thrusting, whomp
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.
flash on the mind, say what comes uppermost, improvise, extemporize, give an impetus, impel, push, start, give a start to, set going, drive, urge, boom, thrust, prod, foin, cant, elbow, shoulder, jostle, justle, hustle, hurtle, shove, jog, jolt, encounter, run against, bump against, butt against, knock one's head against, run one's head against, impinge, boost, bunt, carom
, clip y, fan, fan out, jab, plug, strike, knock, hit, tap, rap, slap, flap, dab, pat, thump, beat, blow, bang, slam, dash, punch, thwack, whack, hit hard, strike hard, swap, batter, dowse, baste, pelt, patter, buffet, belabor, fetch one a blow, poke at, pink, lunge, yerk, kick, calcitrate, butt, strike at, whip, come into a collision, enter into collision, collide, sideswipe, foul, fall foul of, run foul of, telescope, throw.