Source : Webster's Revised Unabridged Dictionary (1913)

Constrict \Con*strict"\, v. t. [imp. & p. p. {Constricted}; p.
   pr. & vb. n. {Constricting}.] [L. constrictus, p. p. of
   constringere. See {Constrain}.]
   To draw together; to render narrower or smaller; to bind; to
   cramp; to contract or cause to shrink.

         Such things as constrict the fibers.     --Arbuthnot.

         Membranous organs inclosing a cavity which their
         contraction serves to constrict.         --Todd &
                                                  Bowman.

Constricted \Con*strict"ed\, a.
   1. Drawn together; bound; contracted; cramped.

   2. (Bot.) Contracted or compressed so as to be smaller in
      certain places or parts than in others.

Source : WordNet®

constricted
     adj 1: especially tense; especially in some dialects
     2: drawn together or squeezed physically or by extension
        psychologically; "a constricted blood vessel"; "a
        constricted view of life" [ant: {unconstricted}]
     3: inhibited; "when modern man feels socially constricted his
        first impulse is to move"