Rip up is a phrase that refers to tearing or destroying something. There are many synonyms for this term, including tear up, shred, haul apart, dismantle, disassemble, break apart, cut up, and pull apart. Tear up is one of the most common synonyms, which means to rip something into smaller pieces. Shred implies cutting or tearing in a rough, haphazard manner. Dismantle suggests breaking down something systematically, with a purpose to take it apart. Break apart, cut up, and pull apart all imply using force to separate and destroy something. These synonyms can be used interchangeably with the phrase rip up, depending on the context and the degree of destruction desired.