Princeton's WordNet

1. damn, darn, hoot, red cent, shit, shucks, tinker's damn, tinker's dam(adj)

   something of little value

   Synonyms:
   darn, snort, horseshit, diddly, jack, cocksucker, dickhead, squat, shucks, diddlyshit, dogshit, doodly-squat, bullshit, red cent, hoot, shit, bastard, son of a bitch, prick, crap, tinker's damn, damn, shite, bull, razz, turd, dirt, asshole, raspberry, boo, bird, diddly-squat, tinker's dam, diddlysquat, diddly-shit, hiss, diddley, dump, razzing, poop, whoreson, mend, patch

   Antonyms:
   blest, blessed

2. damn, goddamn(adj)

   used as expletives

   Synonyms:
   damn, darned, blessed, goddam, deuced, damned, blasted, goddamn, goddamned, infernal, blamed, blame

   Antonyms:
   blessed, blest

3. blasted, blame, blamed, blessed, damn, damned, darned, deuced, goddam, goddamn, goddamned, infernal(verb)

   expletives used informally as intensifiers

   Synonyms:
   blasted, unsaved, doomed, damned, diabolic, unredeemed, blest, deuced, hellish, satanic, blamed, damn, goddam, fiendish, goddamned, unholy, darned, blame, beatified, demonic, diabolical, goddamn, cursed, infernal, blessed

   Antonyms:
   blessed, blest

4. curse, beshrew, damn, bedamn, anathemize, anathemise, imprecate, maledict(adverb)

   wish harm upon; invoke evil upon

   Synonyms:
   bedamn, maledict, excommunicate, blaspheme, anathematize, imprecate, anathemize, beshrew, execrate, damn, comminate, anathematise, anathemise, cuss, swear, curse, accurse, unchurch

   Antonyms:
   blest, blessed

5. bloody, damn, all-fired(adverb)

   extremely

   Synonyms:
   bloody, damn, all-fired

   Antonyms:
   blessed, blest