1 Conquer constipationby drinking water and eating high-fiber foods like beans, lentils, vegetables, and fresh or dried fruit.  Drive away diarrhea with bland foods such as rice, bananas, and apples. Drink water to stay hydrated.
substitute (plural substitutes) 1  A replacement or stand-in for something that achieves a similar result or purpose. ( 2 sports) A player who is available to replace another if the need arises, and who may or may not actually do so. ( 3 historical) One who enlists for military service in the place of a conscript.
Legal Definition of substitution. : the substituting of one person or thing for another: as a in the civil law of Louisiana : a disposition not in trust by which a donee, heir, or legatee is charged to hold property transferred and return it to a third person â compare fidei commissum, vulgar substitution Editor's note: Substitutions are prohibited.