1. The state or quality of being resolute; firm determination. 2. A resolving to do something. 3. A course of action determined or decided on. 4. A formal statement of a decision or expression of opinion put before or adopted by an assembly such as the U.S. Congress. 5.Physics & Chemistry The act or process of separating or reducing something into its constituent parts: the prismatic resolution of sunlight into its spectral colors.6. The fineness of detail that can be distinguished in an image, as on a video display terminal. 7.Medicine The subsiding or termination of an abnormal condition, such as a fever or an inflammation. 8.Law A court decision. 9a. An explanation, as of a problem or puzzle; a solution. b. The part of a literary work in which the complications of the plot are resolved or simplified. 10.Musica. The progression of a dissonant tone or chord to a consonant tone or chord. b. The tone or chord to which such a progression is made. 11. The substitution of one metrical unit for another, especially the substitution of two short syllables for one long syllable in quantitative verse.