Meanings
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1
verb
To hit something accidentally, usually with a knock
My car bumped into the tree in the dark.
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2
noun
A sudden knock or jolt from hitting something
The bump threw me off my bicycle.
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3
noun
A small raised swelling on the skin or a surface
She had a painful bump on her forehead.
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4
verb
To meet someone by chance
I bumped into an old friend at the store.
Thesaurus
Etymology
From Early Modern English bump (“a shock, blow from a collision”), probably of North Germanic origin; compare Danish bump (“a thump”), Danish bumpe (“to thump”), Old Danish bumpe (“to strike with a clenched fist”), all probably of imitative origin. Apparently related to Middle English bumben, bummen (“to make a hollow noise”), Dutch bommen (“to hum, buzz”), German Low German bumsen (“to bump, push”), German bummen (“to hum, buzz”), Icelandic bumba (“drum”). More at bum, bumble. Compare also bomb.