[syn: heterosexuality, heterosexualism, straightness]
The Collaborative International Dictionary of English v.0.48:
Straightness \Straight"ness\, n.
   The quality, condition, or state, of being straight; as, the
   straightness of a path.
   [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
Straightness \Straight"ness\, n.
   A variant of Straitness.
   [1913 Webster]
WordNet (r) 3.0 (2006):
straightness
    n 1: (of hair) lack of a tendency to curl [ant: curliness,
         waviness]
    2: freedom from crooks or curves or bends or angles [ant:
       crookedness]
    3: trueness of course toward a goal; "rivaling a hawk in
       directness of aim" [syn: directness, straightness] [ant:
       indirectness]
    4: having honest intentions; "he acted in good faith"; "doubt
       was expressed as to the good faith of the immigrants" [syn:
       good faith, straightness]
    5: a sexual attraction to (or sexual relations with) persons of
       the opposite sex [syn: heterosexuality, heterosexualism,
       straightness]