{v. phr.} To move or drive ahead rapidly. * /As we had to slow down before the tunnel, a red sports car shot ahead of us./
{prep.} 1. At or along the side of. * /We walked alongside of the river./ 2. Together with. * /I played alongside of Tom on the same team./ Compare: SHOULDER TO SHOULDER, SIDE BY SIDE. 3. {informal} Compared with or to; measured next to. * /His money doesn't look like much alongside of a millionaire's./