(according to dictionary.com)
1. simple past tense and past participle of bind.
2. tied; in bonds: a bound prisoner.
3. made fast as if by a band or bond: She is bound to her family.
4. secured within a cover, as a book.
5. under a legal or moral obligation: He is bound by the terms of the contract.
6. destined; sure; certain: It is bound to happen.