Source : Webster's Revised Unabridged Dictionary (1913)

Tightness \Tight"ness\, n.
   The quality or condition of being tight.

Source : WordNet®

tightness
     n 1: a state occasioned by scarcity of money and a shortage of
          credit [syn: {stringency}]
     2: extreme stinginess [syn: {meanness}, {minginess}, {niggardliness},
         {niggardness}, {parsimony}, {parsimoniousness}, {tightfistedness},
         {closeness}]
     3: lack of movement or room for movement [syn: {tautness}]
        [ant: {looseness}]