1bump 
/ˈbʌmp/ verb
bumps; bumped; bump·ing /ˈbʌmp/ verb 1 [+ obj] a : to hit (something, such as part of your body) against an object in a sudden and forceful way
▪ I have a bruise from where I bumped my head. — often + against or on ▪ He bumped his head against the shelf. ▪ I fell and bumped my elbow on the floor.
b : to hit and move (someone or something)
▪ Be careful not to bump the vase. ▪ You nearly bumped me off/over the edge! ▪ The jolt bumped him right out of his seat. ▪ He accidentally bumped [=knocked] my drink out of my hand when he passed by. 2 [no obj] : to move into or against (someone or something) in a sudden and forceful way
▪ They bumped into us from behind. ▪ The boat bumped against the pier. — often + up ▪ The boat bumped up against the pier. — sometimes used figuratively ▪ They're bumping (up) against the limits of technology. — see also bump into (below), bump up (below) 3 [+ obj] a : to move (someone or something) to a different level, position, rank, etc.
▪ The TV show will be bumped to a new time. ▪ Increasing fuel costs are bumping the company's prices higher.
b : to remove (someone or something) from a group or position
▪ The loss bumped us out of first place. — often used as (be) bumped ▪ The flight was overbooked, and I was the first to be bumped. [=my seat on the flight was the first seat to be given to someone else] 4 always followed by an adverb or preposition [no obj] : to move in an up and down motion over a rough surface
▪ The truck bumped along the dirt road.
▪ I have a bruise from where I bumped my head. — often + against or on ▪ He bumped his head against the shelf. ▪ I fell and bumped my elbow on the floor.
b : to hit and move (someone or something)
▪ Be careful not to bump the vase. ▪ You nearly bumped me off/over the edge! ▪ The jolt bumped him right out of his seat. ▪ He accidentally bumped [=knocked] my drink out of my hand when he passed by.
▪ They bumped into us from behind. ▪ The boat bumped against the pier. — often + up ▪ The boat bumped up against the pier. — sometimes used figuratively ▪ They're bumping (up) against the limits of technology. — see also bump into (below), bump up (below)
▪ The TV show will be bumped to a new time. ▪ Increasing fuel costs are bumping the company's prices higher.
b : to remove (someone or something) from a group or position
▪ The loss bumped us out of first place. — often used as (be) bumped ▪ The flight was overbooked, and I was the first to be bumped. [=my seat on the flight was the first seat to be given to someone else]
▪ The truck bumped along the dirt road.
bump into [phrasal verb]
bump into (someone) informal : to meet (someone) by chance : to see and usually talk to (someone you did not expect to see)
▪ I bumped into [=ran into] a friend at the store. — see also 1bump 2 (above)
▪ I bumped into [=ran into] a friend at the store. — see also 1bump 2 (above)
bump off [phrasal verb]
bump (someone) off or bump off (someone) informal : to murder (someone)
▪ He knew too much, so they bumped him off.
▪ He knew too much, so they bumped him off.
bump up [phrasal verb]
bump up (something or someone) or bump (something or someone) up informal : to move (something or someone) to a higher level, position, rank, etc.
▪ Prices are being bumped up. [=raised] ▪ They're bumping her up [=promoting her] to district manager. — see also 1bump 2 (above)
▪ Prices are being bumped up. [=raised] ▪ They're bumping her up [=promoting her] to district manager. — see also 1bump 2 (above)
