The Collaborative International Dictionary of English v.0.48:

cramped \cramped\ adj.
   inconveniently small; restricting movement; -- of living
   quarters or workspace; as, cramped quarters; a cramped
   office.

   Syn: constricted, inconvenient, uncomfortably small.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Cramp \Cramp\, v. t. [imp. & p. p. Cramped (kr[a^]mt; 215); p.
   pr. & vb. n. Cramping.]
   1. To compress; to restrain from free action; to confine and
      contract; to hinder.
      [1913 Webster]

            The mind my be as much cramped by too much knowledge
            as by ignorance.                      --Layard.
      [1913 Webster]

   2. To fasten or hold with, or as with, a cramp.
      [1913 Webster]

   3. Hence, to bind together; to unite.
      [1913 Webster]

            The . . . fabric of universal justic is well cramped
            and bolted together in all its parts. --Burke.
      [1913 Webster]

   4. To form on a cramp; as, to cramp boot legs.
      [1913 Webster]

   5. To afflict with cramp.
      [1913 Webster]

            When the gout cramps my joints.       --Ford.
      [1913 Webster]

   To cramp the wheels of wagon, to turn the front wheels out
      of line with the hind wheels, so that one of them shall be
      against the body of the wagon.
      [1913 Webster]

WordNet (r) 3.0 (2006):

cramped
    adj 1: constricted in size; "cramped quarters"; "trying to bring
           children up in cramped high-rise apartments"