[1] : The Collaborative International Dictionary of English v.0.48

constrain \constrain"\, v. t. imp.  p. p. constrained; p.
   pr.  vb. n. constraining. of. constraindre, f.
   contrainde, l. constringere; con- + stringere to draw tight.
   see strain, and. cf. constrict, constringe.
   1. to secure by bonds; to chain; to bond or confine; to hold
      tightly; to constringe.
      1913 webster

            he binds in chains
            the drowsy prophet, and his limbs constrains.
                                                  --dryden.
      1913 webster

            when winter frosts constrain the fields with cold.
                                                  --dryden.
      1913 webster

   2. to bring into a narrow compass; to compress.
      1913 webster

            how the strait stays the slender waist constrain.
                                                  --gay.
      1913 webster

   3. to hold back by force; to restrain; to repress.
      1913 webster

            my sire in caves constrains the winds. --dryden.
      1913 webster

   4. to compel; to force; to necessitate; to oblige.
      1913 webster

            the love of christ constraineth us.   --2. cor. v.
                                                  14.
      1913 webster

            i was constrained to appeal unto caesar. --acts
                                                  xxviii. 19.
      1913 webster

   5. to violate; to ravish. obs. --shak.
      1913 webster

   6. to produce in such a manner as to give an unnatural
      effect; as, a constrained voice.

   syn: to compel; force; drive; impel; urge; press.
        1913 webster
see also:
constrained constraining strain constrict constringe 

[2] : The Collaborative International Dictionary of English v.0.48

constrained \constrained"\, a.
   marked by constraint; not free; not voluntary; embarrassed;
   as, a constrained manner; a constrained tone.
   1913 webster

[3] : WordNet (r) 2.0

constrained
     adj : lacking spontaneity; not natural; "a constrained smile";
           "forced heartiness"; "a strained smile" syn: forced,
            strained
see also:
forced strained 

[4] : Moby Thesaurus II by Grady Ward, 1.0

70 moby thesaurus words for "constrained":
   olympian, aloof, arrested, backward, bashful, blank, bridled,
   chastened, chilled, chilly, cold, controlled, cool, curbed,
   detached, discreet, distant, expressionless, forbidding, frigid,
   frosty, guarded, hushed, icy, impassive, impersonal, in check,
   in control, in hand, in leading strings, in remission,
   inaccessible, incommunicable, inhibited, introverted, limited,
   modest, noncommittal, offish, on leash, pent-up, quelled, quiet,
   remote, removed, repressed, reserved, restrained, retarded,
   reticent, retiring, shrinking, slowed down, softened, stable,
   standoff, standoffish, subdued, suppressed, tempered, unaffable,
   unapproachable, uncongenial, undemonstrative, under control,
   under discipline, under restraint, unexpansive, ungenial,
   withdrawn

Constrained >> C Words
Constrained, definition of term: Constrained
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