inexorability

from WordNet (r) 3.0 (2006)

inexorability
    n 1: mercilessness characterized by an unwillingness to relent
         or let up; "the relentlessness or their pursuit" [syn:
         {relentlessness}, {inexorability}, {inexorableness}]

from The Collaborative International Dictionary of English v.0.48

Inexorability \In*ex`o*ra*bil"i*ty\, n. [L. inexorabilitas: cf.
   F. inexorabilit['e].]
   The quality of being inexorable, or unyielding to entreaty.
   --Paley.
   [1913 Webster]

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