what is the definition of break
See more synonyms on Thesaurus.com. 1. fracture, splinter, shiver. Break, crush, shatter, smash mean to reduce to parts, violently or by force. Break means to divide by means of a blow, a collision, a pull, or the like: to break a chair, a leg, a strap. To crush is to subject to (usually heavy or violent) pressure so as to press out of shape or reduce to shapelessness or to small particles: to crush a beetle.