Definitions of crush:

• noun:   the act of crushing
• noun:   a dense crowd of people
• noun:   leather that has had its grain pattern accentuated
• noun:   temporary love of an adolescent
• verb:   break into small pieces

  Example: "The car crushed the toy"

• verb:   become injured, broken, or distorted by pressure

  Example: "The plastic bottle crushed against the wall"

• verb:   humiliate or depress completely

  Example: "She was crushed by his refusal of her invitation"

• verb:   make ineffective
• verb:   crush or bruise
• verb:   to compress with violence, out of natural shape or condition

  Example: "Crush an aluminum can"

• verb:   come down on or keep down by unjust use of one's authority
• verb:   come out better in a competition, race, or conflict