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BNC: 9048 COCA: 7773

bum

1 of 6

noun (1)

: buttocks
fell down on his bum

bum

2 of 6

adjective

1
a
: of poor quality or nature
bum advice
b
: not valid or deserved
writing a bum check
c
: not pleasant or enjoyable
a bum trip
2
: affected or disabled by damage or injury
has a bum knee

bum

3 of 6

verb (1)

bummed; bumming

intransitive verb

1
: loaf
bummed around the house all day
2
: to spend time unemployed and often wandering
often used with around
spent a couple of months bumming around Mexico

transitive verb

: to obtain by asking or begging : cadge
bum a cigarette

bum

4 of 6

noun (2)

1
a
: one who sponges (see sponge entry 2 sense 2) off others and avoids work
He's a lazy bum.
b
: one who performs a function poorly
called the umpire a bum
c
: one whose time is devoted to a recreational activity
a beach bum
ski bums
2
: vagrant, tramp
bums sleeping on park benches

bum

5 of 6

noun (3)

: a drinking spree : bender
a 2-day bum

bum

6 of 6

verb (2)

bummed; bumming; bums

transitive verb

US, informal
: disappoint, depress
usually used with out
The news really bummed me out.
Phrases
on the bum
: with no settled residence or means of support

Example Sentences

Adjective that was bum advice that you got from that website

Word History

Etymology

Noun (1)

Middle English bom

Adjective

perhaps from bum entry 4

Verb (1)

probably back-formation from bummer entry 1

Noun (2)

probably short for bummer entry 1

Noun (3)

perhaps from bum entry 3

Verb (2)

probably back-formation from bummer entry 2

First Known Use

Noun (1)

14th century, in the meaning defined above

Adjective

1878, in the meaning defined at sense 1a

Verb (1)

1863, in the meaning defined at intransitive sense 1

Noun (2)

1864, in the meaning defined at sense 1a

Noun (3)

1863, in the meaning defined above

Verb (2)

1970, in the meaning defined above

Time Traveler
The first known use of bum was in the 14th century

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