[syn: damnable, execrable]
The Collaborative International Dictionary of English v.0.48:
Execrable \Ex"e*cra*ble\, a. [L. execrabilis, exsecrabilis: cf.
   F. ex['e]crable. See Execrate.]
   Deserving to be execrated; accursed; damnable; detestable;
   abominable; as, an execrable wretch. "Execrable pride."
   --Hooker. -- Ex"e*cra*ble*ness, n. -- Ex"e*cra*bly, adv.
   [1913 Webster]
WordNet (r) 3.0 (2006):
execrable
    adj 1: of very poor quality or condition; "deplorable housing
           conditions in the inner city"; "woeful treatment of the
           accused"; "woeful errors of judgment" [syn: deplorable,
           execrable, miserable, woeful, wretched]
    2: unequivocally detestable; "abominable treatment of
       prisoners"; "detestable vices"; "execrable crimes";
       "consequences odious to those you govern"- Edmund Burke [syn:
       abominable, detestable, execrable, odious]
    3: deserving a curse; "her damnable pride" [syn: damnable,
       execrable]
Moby Thesaurus II by Grady Ward, 1.0:
127 Moby Thesaurus words for "execrable":
   abhorrent, abject, abominable, accursed, arrant, atrocious, bad,
   base, beastly, beggarly, below contempt, beneath contempt, black,
   blamable, blameworthy, cheesy, contemptible, criminal, crude,
   crummy, cursed, damn, damnable, damned, dark, debased, degraded,
   demoniac, demonic, depraved, despicable, detestable, devilish,
   diabolic, dirty, disgraceful, disgusting, evil, fetid, fiendish,
   flagitious, flagrant, forbidding, foul, fulsome, ghoulish, goddamn,
   goddamned, grave, gross, hateful, heinous, hellish, horrific,
   horrifying, ignoble, improper, infamous, infernal, iniquitous,
   knavish, little, loathsome, low, low-down, lumpen, malodorous,
   mangy, mean, measly, mephitic, miasmal, miasmic, miserable,
   monstrous, nasty, naughty, nauseating, nefarious, noisome, noxious,
   objectionable, obnoxious, obscene, odious, offensive, paltry,
   peccant, petty, poky, poor, rank, rebarbative, repellent,
   reprehensible, reprobate, reptilian, repugnant, repulsive,
   revolting, satanic, scabby, scandalous, scrubby, scruffy, scummy,
   scurvy, shabby, shameful, shoddy, sickening, sinful, small,
   squalid, stinking, unforgivable, ungodly, unmentionable,
   unpardonable, unspeakable, unworthy, vicious, vile, villainous,
   wicked, wretched, wrong