Insolence

n. contemptuousness; rudeness; arrogance

Insolence is a rapcore (sometimes with a bit of reggae) band which was formed in San Jose, CA in 1995. They put out two major label records Revolution on Madonna's Maverick Records and Stand Strong on Warner Bros. Insolence's seventh studio album Audio War will be released on August 8 2007.
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Noun
1. the trait of being rude and impertinent; inclined to take liberties
(synonym) crust, gall, impertinence, impudence, cheekiness, freshness
(hypernym) discourtesy, rudeness
(hyponym) chutzpa, chutzpah, hutzpah
2. an offensive disrespectful impudent act
(hypernym) discourtesy, offense, offence, offensive activity

n. insolence, impertinence

(v. t.)
To insult.
  

(n.)
The quality of being unusual or novel.
  

(n.)
The quality of being insolent; pride or haughtiness manifested in contemptuous and overbearing treatment of others; arrogant contempt; brutal impudence.
  

(n.)
Insolent conduct or treatment; insult.