Truss up is a term that is used to describe the act of binding, tying or wrapping something or someone closely. There are many synonyms that can replace this term, such as secure, fasten, tie up, strap, bind, knot, bundle, wrap, or tether. These synonyms can be used interchangeably in various situations, such as securing a load on a truck, tying up a horse, or wrapping a gift. Depending on the context and the way in which the action is being performed, different synonyms may be more appropriate. Regardless of the choice of words, the action of trussing up implies a sense of confinement or control.