The Collaborative International Dictionary of English v.0.48:
Staunch \Staunch\ (st[aum]nch), Staunchly \Staunch"ly\, Staunchness \Staunch"ness\, etc. See Stanch, Stanchly, etc. [1913 Webster]WordNet (r) 3.0 (2006):
staunchness n 1: loyalty in the face of trouble and difficulty [syn: steadfastness, staunchness]