bound1 (ba?nd) v. 1. pt. and pp. of bind. adj. 2. tied; in bonds: a bound prisoner. 3. confined to or by something: bound to one’s desk. 4. made fast as if by a band or bond. 5. secured within a cover, as a book. 6. under a legal or moral obligation. 7. destined or certain: It is bound to happen. 8. determined: He is bound to go. 9. constipated. 10. held with another element or material in chemical or physical union. 11. (of a linguistic form) occurring only in combination with other forms, never by itself, as most affixes: The -edin seated is a bound form. Compare free (def. 31). 12. (of a variable in logic) occurring within the scope of a quantifier. Compare free (def. 28). bound?ness, n. bound2 (ba?nd) v. 1. to move by leaps; spring. 2. to rebound; bounce. n. 3. a leap onward or upward; jump. 4. a rebound; bounce. [1545?55;