N. counteraction, opposition, contrariety, antagonism, polarity, clashing, collision, interference, inhibition, resistance, renitency, friction, reaction, retroaction, counterblast, neutralization, vis inertiae, check, voluntary opposition, voluntary resistance, repression, opposites, action and reaction, yang and yin, yang-yin (contrariety) 14

V. counteract, run counter, clash, cross, interfere with, conflict with, contravene, jostle, go against, run against, beat against, militate against, stultify, antagonize, block, oppose, traverse, withstand, hinder, repress, react, undo, neutralize, counterpoise, overpoise

Adj. counteracting, antagonistic, conflicting, retroactive, renitent, reactionary, contrary

Adv. although, in spite of, against

Phr. "for every action there is a reaction, equal in force and opposite in direction", words relating to space 1, abstract space

N. 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

V. 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 *c, (punish) 972, come into a collision, enter into collision, collide, sideswipe, foul, fall foul of, run foul of, telescope, throw

Adj. impelling, impulsive, impellent, booming, dynamic, dynamical, impelled

Phr. "a hit, a very palpable hit"

N. agitation, stir, tremor, shake, ripple, jog, jolt, jar, jerk, shock, succussion, trepidation, quiver, quaver, dance, jactitation|, quassation|, shuffling 7c, v, twitter, flicker, flutter, turbulence, perturbation, commotion, turmoil, disquiet, tumult, tumultuation|, hubbub, rout, bustle, fuss, racket, subsultus, staggers, megrims, epilepsy, fits, carphology, chorea, floccillation, the jerks, st. vitus's dance, tilmus, spasm, throe, throb, palpitation, convulsion, disturbance, chaos, restlessness, ferment, fermentation, ebullition, effervescence, hurly-burly, cahotage, tempest, storm, ground swell, heavy sea, whirlpool, vortex, whirlwind

V. be agitated &c, shake, tremble, tremble like an aspen leaf, quiver, quaver, quake, shiver, twitter, twire, writhe, toss, shuffle, tumble, stagger, bob, reel, sway, wag, waggle, wriggle, wriggle like an eel, dance, stumble, shamble, flounder, totter, flounce, flop, curvet, prance, cavort, squirm, throb, pulsate, beat, palpitate, go pitapat, flutter, flitter, flicker, bicker, bustle, ferment, effervesce, foam, boil, boil over, bubble up, simmer, toss about, jump about, jump like a parched pea, shake like an aspen leaf, shake to its center, shake to its foundations, be the sport of the winds and waves, reel to and fro like a drunken man, move from post to pillar and from pillar to post, drive from post to pillar and from pillar to post, keep between hawk and buzzard, agitate, shake, convulse, toss, tumble, bandy, wield, brandish, flap, flourish, whisk, jerk, hitch, jolt, jog, joggle, jostle, buffet, hustle, disturb, stir, shake up, churn, jounce, wallop, whip, vellicate

Adj. shaking, agitated, tremulous, desultory, subsultory|, saltatoric, quasative, shambling, giddy-paced, saltatory, convulsive, unquiet, restless, all of a twitter

Adv. by fits and starts, subsultorily|, per saltum, hop skip and jump, in convulsions, in fits

Phr. tempete dans un verre d'eau, words relating to matter

N. disagreement, discord, disaccord, dissidence, dissonance, jar, clash, shock, jarring, jostling, screw loose, variance, difference, dissension, misunderstanding, cross purposes, odds, brouillerie, division, split, rupture, disruption, division in the camp, house divided against itself, disunion, breach, schism, feud, faction, quarrel, dispute, tiff, tracasserie, squabble, altercation, barney *, demel, snarl, spat, towrow, words, high words, wrangling, jangle, brabble, cross questions and crooked answers, snip-snap, family jars, polemics, litigation, strife, warfare, outbreak, open rupture, declaration of war, broil, brawl, row, racket, hubbub, rixation|, embroilment, embranglement, imbroglio, fracas, breach of the peace, piece of work, scrimmage, rumpus, breeze, squall, riot, disturbance, commotion, bear garden, donnybrook, donnybrook fair, subject of dispute, ground of quarrel, battle ground, disputed point, bone of contention, bone to pick, apple of discord, casus belli, question at issue, vexed question, vexata quaestio, brand of discord, troublous times, cat-and-dog life, contentiousness, enmity, hate, kilkenny cats, disputant, strange bedfellows

V. be discordant, disagree, come amiss, clash, jar, jostle, pull different ways, conflict, have no measures with, misunderstand one another, live like cat and dog, differ, dissent, have a bone to pick, have a crow to pluck with, fall out, quarrel, dispute, litigate, controvert, squabble, wrangle, jangle, brangle, bicker, nag, spar, have words, with, fall foul of, split, break with, break squares with, part company with, declare war, try conclusions, join issue, put in issue, pick a quarrel, fasten a quarrel on, sow dissension, stir up dissension, embroil, entangle, disunite, widen the breach, set at odds, set together by the ears, set against, pit against, get into hot water, fish in troubled waters, brawl, kick up a row, kick up a dust, turn the house out of window

Adj. discordant, disagreeing, out of tune, ajar, on bad terms, dissentient, unreconciled, unpacified, contentious, quarrelsome, unpacific, gladiatorial, controversial, polemic, disputatious, factious, litigious, litigant, pettifogging, at odds, at loggerheads, at daggers drawn, at variance, at issue, at cross purposes, at sixes and sevens, at feud, at high words, up in arms, together by the ears, in hot water, embroiled, torn, disunited

Phr. quot homines tot sententiae, no love lost between them, non nostrum tantas componere lites, mars gravior sub pace latet