bastardly

from WordNet (r) 3.0 (2006)

bastardly
    adj 1: born out of wedlock; "the dominions of both rulers passed
           away to their spurious or doubtful offspring"-
           E.A.Freeman [syn: {bastardly}, {misbegot}, {misbegotten},
           {spurious}]
    2: of no value or worth; "I was caught in the bastardly traffic"
       [syn: {bastardly}, {mean}]

from The Collaborative International Dictionary of English v.0.48

Bastardly \Bas"tard*ly\, a.
   Bastardlike; baseborn; spurious; corrupt. [Obs.] -- adv. In
   the manner of a bastard; spuriously. [Obs.] --Shak. Donne.
   [1913 Webster]