|Origin:||From the sound|
1 [intransitive always + adverb/preposition, transitive]
to hit or knock against something
I ran after him, bumping against people in my hurry.
Tim was a clumsy boy, always bumping into the furniture.
bump something on something
She bumped her arm on the table.
The roof was so low he bumped his head (=his head hit the roof).
2 [intransitive always + adverb/preposition]
to move up and down as you move forward, especially in a vehicle:
A police car bumped down the track.
The plane was bumping along the runway.
3 [transitive always + adverb/preposition]
to push or pull something somewhere in an irregular or unsteady way:
Flora was bumping her bags down the steps.
4 [transitive] informal
to move someone or something into a different class or group, or to remove them from a class or group altogether:
The flight was overbooked, and Dad was the first one to be bumped.
bump somebody up to/out of/from etc something
The reforms bumped many families off the state-provided healthcare list.
to move a radio or television programme to a different time:
'Married with Children' will be bumped from Sundays to Saturdays.
bump into somebodyphrasal verb
I bumped into Jean in town.
bump somebody ↔ offphrasal verb
bump something ↔ upphrasal verb
Prices were bumped up by 10 percent last week.