Webster's English Dictionary Webster's English Dictionary1. left \'left\ aj [ME, fr. OE, weak; akin to MLG lucht left] 1a: relating to or being the weaker hand in most persons 1b: located nearer to the left hand than to the right; esp : locat ed on the left when facing in the same direction as an observer often cap 2: of, adhering to, or constituted by the left esp. in politics - left av 2. left n 1a: the left hand 1b: the location or direction of the left side 1c: the part on the left side often cap 2a: the part of a legislative chamber located to the left of the presiding officer 2b: the members of a continental European legislative body occupying the le ft as a result of holding more radical political views than other members cap 3a: those professing views usu. characterized by desire to reform or overth row the established order esp. in politics and usu. advocating greater freedom or well-being of the common man 3b: a radical as distinguished from a conservative position 3. left past of LEAVE