impact

1 to act upon (a person or a person's feelings) so as to cause a response the tragic loss of his father impacted the boy for the rest of his life Synonyms of impact affect, impress, influence, move, reach, strike, sway, tell (on), touchWords Related to impact carry away, dazzle, enrapture, entrance, enthrall (or enthral), ravish, transport; bias, color; inspire, stir; engage, interest, involve, penetrate, pierce; afflict, agitate, bother, concern, discomfort, discompose, disquiet, distress, disturb, fluster, harass, harry, perturb, pester, plague, smite, strain, stress, trouble, try, upset, worry, wring; allure, attract, bewitch, captivate, charm, enchant, fascinateNear Antonyms of impact bore, jade, pall, tire, weary; underwhelm

2 to come into usually forceful contact with something the damage sustained when a car going 40 miles an hour impacts with a brick wall Synonyms of impact bang, bash, bump, collide, crash, hit, impinge, knock, ram, slam, smash, strike, swipe, thudWords Related to impact bounce, carom, clunk, glance, rebound, ricochet, skim, skip; contact, land, touch; brush, graze, kiss, nudge, scrape, shave, sweep; bulldoze, jostle, muscle, press, pushNear Antonyms of impact miss, skirt

3 to set solidly in or as if in surrounding matter the bullet was found impacted in the police officer's protective vest Synonyms of impact bed, embed (also imbed), enroot, fix, entrench, implant, ingrain (also engrain), lodge, rootWords Related to impact imbue, infuse, instill; beat (into), drive (into); establish, place, put, settle, stickNear Antonyms of impact eliminate, eradicate; eject, expel; detach, disconnect, disengage, removeAntonyms of impact dislodge, root (out), uproot

1 a forceful coming together of two things the glass shattered immediately upon impact with the floor Synonyms of impact bump, collision, concussion, crash, impingement, jar, jolt, jounce, kick, shock, slam, smash, strike, wallop Words Related to impact blow, buffet, hit, knock, punch, rap, slap, thump; bashing, battering, bludgeoning, clobbering, hammering, lambasting, licking, pounding, pummeling (also pummelling), thrashing; contact, encounter, meeting, touch

2 the power to bring about a result on another the execution had such a powerful impact on her that she became a crusader for the abolition of capital punishment Synonyms of impact effect, influence, mark, repercussion, swayWords Related to impact authority, clout, prestige, pull, weight; command, domination, dominion, mastery; consequence, importance, significance; sovereignty (also sovranty), supremacyNear Antonyms of impact helplessness, impotence, impotency, powerlessness, weakness

3 the quality of an utterance that provokes interest and produces an effect the story has real dramatic impact Synonyms of impact cogency, effectiveness, force, forcefulness, punch, pointWords Related to impact payoff; importance, significance; appeal, attraction, charm, fascination