From WordNet (r) 3.0 (2006):
disrespect
n 1: an expression of lack of respect [syn: disrespect,
discourtesy]
2: a disrespectful mental attitude [ant: esteem, regard,
respect]
3: a manner that is generally disrespectful and contemptuous
[syn: contempt, disrespect]
v 1: show a lack of respect for [ant: abide by, honor,
honour, observe, respect]
2: have little or no respect for; hold in contempt [syn:
disrespect, disesteem] [ant: esteem, prise, prize,
respect, value]