left-handed

Left-handed people, taken as a whole.

Using one's left hand in preference to, or more skillfully than, one's right.

Intended to be worn on, or used by, the left hand.

Turning or spiraling from right to left; anticlockwise.

Awkward or maladroit.

Insincere or malicious.

Of magic, performed with the intention of doing harm, or for personal gain; evil or malevolent.

Of a coordinate system: not following the right-hand rule.