- Trip - Trip up - To trip in walking or in moving in any way with the
legs; to strike the foot so as to fall, or to endanger a fall; to
stagger because of a false step. - To walk in an unsteady or clumsy manner. - To fall into a crime or an error; to err. - To strike or happen (upon a person or thing) without
design; to fall or light by chance; -- with on, upon, or against. - To cause to stumble or trip.