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

impassive \impas"sive\, a.
   not susceptible of pain or suffering; apathetic; impassible;
   unmoved.
   1913 webster

         impassive as the marble in the quarry.   --de quincey.
   1913 webster

         on the impassive ice the lightings play. --pope.
   -- impas"sively, adv. -- impas"siveness, n.
   1913 webster
see also:
impas"sively impas"siveness 

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

impassiveness \impas"siveness\ n.
   an absence of emotion.

   syn: apathy, impassivity.
        wordnet 1.5

[3] : WordNet (r) 2.0

impassiveness
     n : apathy demonstrated by an absence of emotional reactions
         syn: emotionlessness, impassivity, phlegm, indifference,
          stolidity, unemotionality
see also:
emotionlessness impassivity phlegm indifference stolidity unemotionality 

Impassiveness >> I Words
Impassiveness, definition of term: Impassiveness
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