Search Result for "breathlessness": 
Wordnet 3.0

NOUN (1)

1. a dyspneic condition;
[syn: shortness of breath, SOB, breathlessness]



The Collaborative International Dictionary of English v.0.48:

Breathlessness \Breath"less*ness\, n.
   The state of being breathless or out of breath.
   [1913 Webster]


WordNet (r) 3.0 (2006):

breathlessness
    n 1: a dyspneic condition [syn: shortness of breath, SOB,
         breathlessness]