1. To combine so as to form a whole; mix. 2. pharmacists compounding prescriptions. 3. To settle (a debt, for example) by agreeing on an amount less than the claim; adjust. 4. To compute (interest) on the principal and accrued interest. 5. High winds compounded the difficulties of the firefighters. 6. To combine in or form a compound. 7. To come to terms; agree. 8. Consisting of two or more substances, ingredients, elements, or parts. 9. Composed of more than one part. 10. mixture 11. "wisdom." 12. A pure, macroscopically homogeneous substance consisting of atoms or ions of two or more different elements in definite proportions that cannot be separated by physical means. A compound usually has properties unlike those of its constituent elements. 13. A leaf whose blade is divided into two or more distinct leaflets. 14. A pistil composed of two or more united carpels.