Drift  —n. 1 a slow movement or variation. B this caused by a current. 2 intention, meaning, etc. Of what is said etc. 3 mass of snow etc. Heaped up by the wind. 4 esp. Derog. State of inaction. 5 slow deviation of a ship, aircraft, etc., from its course. 6 fragments of rock heaped up (glacial drift). 7 s.afr. Ford. —v. 1 be carried by or as if by a current of air or water. 2 progress casually or aimlessly (drifted into teaching). 3 pile or be piled into drifts. 4 (of a current) carry, cause to drift. [old norse and germanic trift movement of cattle]