The Collaborative International Dictionary of English v.0.48:

Crush \Crush\ (kr[u^]sh), v. t. [imp. & p. p. Crushed
   (kr[u^]sht); p. pr. & vb. n. Crushing.] [OE. cruschen,
   crousshen, Of. cruisir, croissir, fr. LL. cruscire, prob. of
   Ger. origin, from a derivative of the word seen in Goth.
   kruistan to gnash; akin to Sw. krysta to squeeze, Dan.
   kryste, Icel. kreysta.]
   1. To press or bruise between two hard bodies; to squeeze, so
      as to destroy the natural shape or integrity of the parts,
      or to force together into a mass; as, to crush grapes.
      [1913 Webster]

            Ye shall not offer unto the Lord that which is
            bruised, or crushed, or broken, or cut. --Lev. xxii.
                                                  24.
      [1913 Webster]

            The ass . . . thrust herself unto the wall, and
            crushed Balaam's foot against the wall. --Num. xxii.
                                                  25.
      [1913 Webster]

   2. To reduce to fine particles by pounding or grinding; to
      comminute; as, to crush quartz.
      [1913 Webster]

   3. To overwhelm by pressure or weight; to beat or force down,
      as by an incumbent weight.
      [1913 Webster]

            To crush the pillars which the pile sustain.
                                                  --Dryden.
      [1913 Webster]

            Truth, crushed to earth, shall rise again. --Bryant.
      [1913 Webster]

   4. To oppress or burden grievously.
      [1913 Webster]

            Thou shalt be only oppressed and crushed alway.
                                                  --Deut.
                                                  xxviii. 33.
      [1913 Webster]

   5. To overcome completely; to subdue totally.
      [1913 Webster]

            Speedily overtaking and crushing the rebels. --Sir.
                                                  W. Scott.
      [1913 Webster]

   6. to subdue or overwhelm (a person) by argument or a cutting
      remark; to cause (a person) to feel chagrin or
      humiliation; to squelch.
      [PJC]

   To crush a cup, to drink. [Obs.]

   To crush out.
      (a) To force out or separate by pressure, as juice from
          grapes.
      (b) To overcome or destroy completely; to suppress.
          [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

crushed \crushed\ adj.
   1. treated so as to have a permanently wrinkled appearance;
      -- of fabrics; as, crushed velvet.
      [WordNet 1.5]

   2. utterly defeated.

   Syn: subdued.
        [WordNet 1.5]

   3. brought low in condition or status by confusion,
      humiliation, or severe disappointment.

   Syn: broken, humbled, humiliated, low.
        [WordNet 1.5 +PJC]

   4. broken or pounded into small fragments; used of e.g. ore
      or stone. paved with crushed bluestone

   Syn: ground.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

crushed
    adj 1: treated so as to have a permanently wrinkled appearance;
           "crushed velvet"
    2: subdued or brought low in condition or status; "brought low";
       "a broken man"; "his broken spirit" [syn: broken,
       crushed, humbled, humiliated, low]