Coarct is an uncommon word that means to constrain or to restrict. It can also mean to constrict or to narrow. Synonyms for coarct include compress, constrain, confine, constrict, curb, limit, restrict, shrink, and narrow. These words all convey the idea of reducing or limiting something's size, extent, or freedom. Each synonym has slightly different connotations and can be used in slightly different contexts, but they all refer to the act of exerting control or pressure to constrain or limit something. When searching for a synonym for coarct, consider the context in which it will be used and select the word that best fits the situation.