"bump" in the noun sense
1. bump
a lump on the body caused by a blow
2. bulge, bump, hump, swelling, gibbosity, gibbousness, jut, prominence, protuberance, protrusion, extrusion, excrescence
something that bulges out or is protuberant or projects from its surroundings
"the gun in his pocket made an obvious bulge"
"the hump of a camel"
"he stood on the rocky prominence"
"the occipital protuberance was well developed"
"the bony excrescence between its horns"
3. blow, bump
an impact (as from a collision
"the bump threw him off the bicycle"
"bump" in the verb sense
1. bump, knock
knock against with force or violence
"My car bumped into the tree"
2. find, happen, chance, bump, encounter
come upon, as if by accident meet with
"We find this idea in Plato"
"I happened upon the most wonderful bakery not very far from here"
"She chanced upon an interesting book in the bookstore the other day"
3. bump
dance erotically or dance with the pelvis thrust forward
"bump and grind"
4. demote, bump, relegate, break, kick downstairs
assign to a lower position reduce in rank
"She was demoted because she always speaks up"
"He was broken down to Sergeant"
5. dislodge, bump
remove or force from a position of dwelling previously occupied
"The new employee dislodged her by moving into her office space"
Source: WordNet® (An amazing lexical database of English)
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