| Main Entry: | |
| Part of Speech: | noun |
| Definition: | bouncing |
| Synonyms: | bounce, bump, collision, impact, jar, jolt, jolting |
| Main Entry: | bob |
| Part of Speech: | verb |
| Definition: | bounce up and down |
| Synonyms: | bow, duck, genuflect, hop, jerk, jounce, leap, nod, oscillate, quaver, quiver, ricochet, seesaw, skip, waggle, weave, wobble |
| Main Entry: | bounce |
| Part of Speech: | verb |
| Definition: | spring up; rebound |
| Synonyms: | backlash, bob, boomerang, bound, buck, bump, carom, fly back, glance off, hop, hurdle, jerk up and down, jounce, jump, kick back, leap, rebound, recoil, resile, ricochet, saltate, snap back, spring back, thump, vault |
| Main Entry: | bump |
| Part of Speech: | verb |
| Definition: | collide, hit, usually with sound |
| Synonyms: | bang, bounce, box, buck, bunt, butt, carom, clap, clatter, crack, crash, impinge, jar, jerk, jolt, jostle, jounce, knock, pat, plop, plunk, pound, punch, rap, rattle, shake, slam, slap, smack, smash into, strike, thud, thump, thunder, thwack, whack |
| Main Entry: | concussion |
| Part of Speech: | noun |
| Definition: | collision, shaking |
| Synonyms: | blast, blow, buffeting, bump, clash, clout, crack, crash, hit, impact, injury, jar, jarring, jolt, jolting, jounce, pounding, punch, shock, trauma |
| Main Entry: | impact |
| Part of Speech: | noun |
| Definition: | collision, force |
| Synonyms: | appulse, bang, blow, bounce, brunt, buffet, bump, clash, concussion, contact, crash, crunch, crush, encounter, hit, impingement, jar, jolt, jounce, kick, knock, meeting, percussion, pound, punch, quake, quiver, ram, rap, rock, shake, shock, slap, smash, smashup, strike, stroke, thump, tremble, tremor, wallop |
| Main Entry: | jar |
| Part of Speech: | noun |
| Definition: | shocking hit |
| Synonyms: | bump, clash, collision, concussion, crash, impact, jolt, jounce, rock, smash, succussion, thud, thump |
| Main Entry: | jar |
| Part of Speech: | verb |
| Definition: | shock, jolt |
| Synonyms: | agitate, bang, bounce, bump, clash, convulse, crash, disturb, grate, grind, hit, irritate, jerk, jiggle, jounce, jump, offend, quake, rasp, rattle, rock, shake, slam, thump, tremor, vibrate, wiggle, wobble |
| Main Entry: | jog |
| Part of Speech: | verb |
| Definition: | activate, push |
| Synonyms: | agitate, arouse, bounce, dig, hit, jab, jar, jerk, jiggle, joggle, jolt, jostle, jounce, nudge, press, prod, prompt, punch, remind, rock, shake, shove, stimulate, stir, suggest, whack |
| Antonyms: | repress |