adj. 1 on or towards the west side of the human body, or of any object, when facing north. 2 (also Left) Polit. of the Left.adv. on or to the left side.n. 1 lefthand part, region, or direction. 2 Boxing a left hand. b blow with this. 3 (often Left) group or section favouring socialism; socialists collectively. [Old Eng.lish, originally = Weak, worthless’]left past and past part. of LEAVE’.