n.
Function: transitive verb
Date: 1581
1 : to strike or knock with force or violence
2 : to collide with
3 a (1) : to dislodge with a jolt (2) : to subject to a scalar change <rates being bump ed up> b : to oust usually by virtue of seniority or priority <was bump ed from the flight>
intransitive verb
1 : to knock against something with a forceful jolt
2 : to proceed in or as if in a series of bumps
3 : to encounter something that is an obstacle or hindrance < bump ed up against a chair>
– bump into : to encounter especially by chance