Roget's Thesaurus: Entry 276 (Impulse)

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#276. Impulse. -- N. impulse, impulsion, impetus; momentum; push, pulsion[obs], thrust, shove, jog, jolt, brunt, booming, boost [U.S.], throw; explosion &c. (violence) 173; propulsion &c. 284.

percussion, concussion, collision, occursion|, clash, encounter, cannon, carambole[obs], appulse[obs], shock, crash, bump; impact; elan; charge &c. (attack) 716; beating &c. (punishment) 972.

blow, dint, stroke, knock, tap, rap, slap, smack, pat, dab; fillip; slam, bang; hit, whack, thwack; cuff &c. 972; squash, dowse, swap, whap[obs], punch, thump, pelt, kick, punce|, calcitration[obs]; ruade[obs]; arietation|; cut, thrust, lunge, yerk|; carom, carrom[obs], clip *, jab, plug*, sidewinder* [U.S.], sidewipe[obs], sideswipe [U.S.].

hammer, sledge hammer, mall, maul, mallet, flail; ram, rammer[obs]; battering ram, monkey, pile-driving engine, punch, bat; cant hook; cudgel &c. (weapon) 727; ax &c. (sharp) 253.

[Science of mechanical forces] dynamics; seismometer, accelerometer, earthquake detector.

V. give an impetus &c. n.; impel, push; start, give a start to, set going; drive, urge, boom; thrust, prod, foin[Fr]; cant; elbow, shoulder, jostle, justle[obs], hustle, hurtle, shove, jog, jolt, encounter; run against, bump against, butt against; knock one's head against, run one's head against; impinge; boost [U.S.]; 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[obs]; kick, calcitrate[obs]; butt, strike at &c. (attack) 716; whip *c. (punish) 972.

come into a collision, enter into collision; collide; sideswipe; foul; fall foul of, run foul of; telescope.

throw &c. (propel) 284.

Adj. impelling &c. v.; impulsive, impellent[obs]; booming; dynamic, dynamical; impelled &c. v.

Phr. "a hit, a very palpable hit" [Hamlet].