Confine means to limit or restrict someone or something within a particular space, area, or boundary. There are various synonyms for this word that can be used interchangeably to express the same meaning. These include contain, enclose, restrict, restrain, imprison, incarcerate, hem in, and trap. Other synonyms that also describe the same concept of confining include limit, bound, curb, regulate, control, fetter, and tie down. The right synonym to use depends on the context or situation in which it is used. Multiple synonyms for a single word allows for greater expression and clarity in writing or speaking.