[1] : The Collaborative International Dictionary of English v.0.48

damn \damn\ da^m, v. t. imp.  p. p. damned da^md or
   da^m"ne^d; p. pr.  vb. n. damning da^m"i^ng or
   da^m"ni^ng. oe. damnen dampnen with excrescent p,
   of. damner, dampner, f. damner, fr. l. damnare, damnatum, to
   condemn, fr. damnum damage, a fine, penalty. cf. condemn,
   damage.
   1. to condemn; to declare guilty; to doom; to adjudge to
      punishment; to sentence; to censure.
      1913 webster

            he shall not live; look, with a spot i damn him.
                                                  --shak.
      1913 webster

   2. theol. to doom to punishment in the future world; to
      consign to perdition; to curse.
      1913 webster

   3. to condemn as bad or displeasing, by open expression, as
      by denuciation, hissing, hooting, etc.
      1913 webster

            you are not so arrant a critic as to damn them the
            works of modern poets . . . without hearing.
                                                  --pope.
      1913 webster

            damn with faint praise, assent with civil leer,
            and without sneering teach the rest to sneer.
                                                  --pope.
      1913 webster

   note: damn is sometimes used interjectionally, imperatively,
         and intensively.
         1913 webster
see also:
damned damning condemn damage 

[2] : The Collaborative International Dictionary of English v.0.48

damning \damn"ing\, a.
   that damns; damnable; as, damning evidence of guilt.
   1913 webster

[3] : WordNet (r) 2.0

damning
     adj : threatening with damnation syn: damnatory
see also:
damnatory 

[4] : Moby Thesaurus II by Grady Ward, 1.0

45 moby thesaurus words for "damning":
   absolute, adducible, admissible, attestative, attestive, authentic,
   based on, certain, circumstantial, conclusive, convincing,
   cumulative, decisive, determinative, documentary, documented,
   evidential, evidentiary, ex parte, eye-witness, factual, final,
   firsthand, founded on, grounded on, hearsay, implicit,
   incontrovertible, indicative, indisputable, irrefutable,
   irresistible, material, nuncupative, overwhelming, presumptive,
   probative, reliable, significant, suggestive, sure, symptomatic,
   telling, valid, weighty

Damning >> D Words
Damning, definition of term: Damning
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