intransitive verb
Definition: To hit or knock against something, often causing a jolt or movement.
Example: The car began to bump along the rough road.
noun
Definition: A raised area on a surface, often caused by a collision or swelling.
Example: She felt a bump on her head after hitting it against the door.
transitive verb
Definition: To hit or knock against something, often causing it to move or change position.
Example: She bumped the table accidentally while walking by.