Cacophony
A harsh/jarring, meaningless mixture of sounds.

ex. The cacophony produded by city traffic midday

Disquieting
Troubling
Menace
Threat
Dismal
Miserable
Gaunt
Skeletal, skinny
Disparage
Laugh at; criticize; mock
Deplorable
Shameful; unforgivable
Acrimonious
Bitter; spiteful
Alienate
Isolate; keep apart from
Impudent
Disrespectful; rude