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English definition of “slum”

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slum

noun [C] uk   /slʌm/ us  
a very poor and crowded area, especially of a city: an inner-city slum She was brought up in the slums of Lima. informal disapproving a very untidy or dirty place: This flat would be an absolute slum if I wasn't here to clean it.
slummy
adjective uk   /ˈslʌm.i/ us  
She found herself in a slummy back street.

slum

verb uk   /slʌm/ informal us  
slum it to spend time in conditions that are much less good than the standard that you are used to: We ran out of money on holiday and had to slum it in cheap hostels.
(Definition of slum from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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