Definition of bum
(Entry 1 of 6)
: buttocks fell down on his bum
bum
adjectiveDefinition of bum (Entry 2 of 6)
1a : 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
verb (1)bummed; bumming
Definition of bum (Entry 3 of 6)
1 : loaf bummed around the house all day
2 : to spend time unemployed and often wandering
—often used with aroundspent a couple of months bumming around Mexico
: to obtain by asking or begging : cadge bum a cigarette
bum
noun (2)Definition of bum (Entry 4 of 6)
1a : 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
on the bum
: with no settled residence or means of support
bum
noun (3)Definition of bum (Entry 5 of 6)
: a drinking spree : bender a 2-day bum
bum
verb (2)bummed; bumming; bums
Definition of bum (Entry 6 of 6)
US, informal
: disappoint, depress —usually used with outThe news really bummed me out.
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Time Traveler for bum
The first known use of bum was in the 14th century
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