1 sudden strong blow
ADJ. loud | slight
PREP. with a ~ We landed with a loud bump.
2 lump on the body
ADJ. big | little, small
VERB + BUMP have | get
PREP. ~ on He got a nasty bump on his head.
3 lump in a flat surface
VERB + BUMP hit We hit a bump and the car swerved.
PREP. ~ in a bump in the road
PREP. against I ran after her, bumping against people in my rush. | into I bumped into the corner of a table as I left. | on I bumped my head on the door frame.