1. to come more or less violently in contact with; collide with; strike: His car bumped a truck.
2. to cause to strike or collide: He bumped the car against a tree.
3. to dislodge or displace by the force of collision.
4. to dislodge by appropriating the privileges of: The airline bumped me from the flight.
5. to demote or dismiss: He was bumped from his job.
6. to force upward; raise: Demand from abroad bumped the price of corn.
7. to move to a new position: We had to bump your story to next week's paper.
8. to move (an online post or thread) to the top of the reverse chronological list by adding a new comment or post to the thread: I bumped the question I posted last week to make it more visible.
9. raise (def. 24).

10. to come in contact or collide with (often followed by against or into): She bumped into me.
11. to bounce along; proceed in a series of jolts: The old car bumped down the road.
12. to dance by thrusting the pelvis forward abruptly, in a provocative manner, especially to the accompaniment of an accented musical beat.
13. to boil with violent jolts caused by the sudden eruption of large bubbles through the surface.

14. an act or instance of bumping; collision; blow.
15. the shock of a blow or collision.
16. a swelling or contusion from a blow.
17. a small area raised above the level of the surrounding surface; protuberance: He tripped over a bump on the sidewalk.
18. a promotion or demotion; transfer to a higher or lower level: He got a bump to vice president of the company.
19. an increase in amount, especially of salary or a wager:He asked the boss for a ten-dollar bump.
20. a rapidly rising current of air that gives an airplane a severe upward thrust.
21. a dance movement in which the pelvis is abruptly thrust forward in a provocative manner, especially to the accompaniment of an accented musical beat.
22. crump (def. 6).
23. bumper¹ (def. 9a).

24. to meet by chance: I bumped into an old friend yesterday.
25. to kill, especially to murder: They bumped him off because he knew too much.

1. to knock or strike with a jolt
2. to travel or proceed in jerks and jolts
3. to hurt by knocking
4. to knock out of place; dislodge
5. to throw (a child) into the air, one other child holding each limb, and let him down again to touch the ground
6. (in rowing races, esp at Oxford and Cambridge) to catch up with and touch (another boat that started a fixed distance ahead)
7. to bowl (a ball) so that it bounces high on pitching or (of a ball) to bounce high when bowled
8. to dance erotically by thrusting the pelvis forward (esp in the phrase bump and grind)
9. to raise (someone)
10. to exclude a ticket-holding passenger from a flight as a result of overbooking
11. to displace (someone or something) from a previously allocated position
12. to have sexual intercourse

13. an impact; knock; jolt; collision
14. a dull thud or other noise from an impact or collision
15. the shock of a blow or collision
16. a lump on the body caused by a blow
17. a protuberance, as on a road surface
18. any of the natural protuberances of the human skull, said by phrenologists to indicate underlying faculties and character
19. a rising current of air that gives an aircraft a severe upward jolt
20. the act of bumping a child. See sense 5
21. the act of bumping
22. a ball that bounces into the air after being hit directly into the ground by the batsman

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