1. 
2. 
[syn: aweless, awless, disrespectful]
The Collaborative International Dictionary of English v.0.48:
Disrespectful \Dis`re*spect"ful\, a.
   Wanting in respect; manifesting disesteem or lack of respect;
   uncivil; as, disrespectful behavior. --
   Dis`re*spect"ful*ly, adv. -- Dis`re*spect"ful*ness, n.
   [1913 Webster]
WordNet (r) 3.0 (2006):
disrespectful
    adj 1: exhibiting lack of respect; rude and discourteous;
           "remarks disrespectful of the law"; "disrespectful in the
           presence of his parents"; "disrespectful toward his
           teacher" [ant: respectful]
    2: neither feeling nor showing respect [syn: aweless,
       awless, disrespectful]
Moby Thesaurus II by Grady Ward, 1.0:
49 Moby Thesaurus words for "disrespectful":
   aweless, biggety, bluff, brash, cheeky, chutzpadik, cocky,
   contemptuous, crusty, derisive, discourteous, disparaging, facy,
   flip, flippant, forward, fresh, gally, gratuitous, ill-bred,
   ill-mannered, impertinent, impolite, impudent, inaffable,
   indecorous, insolent, irreverent, malapert, nervy, pert,
   ridiculing, rude, sassy, saucy, smart, smart-alecky, smart-ass,
   unaccommodating, uncalled-for, uncivil, uncomplaisant, uncourteous,
   uncourtly, ungallant, ungracious, unmannerly, unpolite, wise-ass