sinistral

adv. 1. In a sinistrous manner; perversely; wrongly; unluckily. [ 1913 Webster ]

2. With a tendency to use the left hand. [ 1913 Webster ]

Many, in their infancy, are sinistrously disposed, and divers continue all their life left-handed. Sir T. Browne. [ 1913 Webster ]

a. 1. Of or pertaining to the left, inclining to the left; sinistrous; -- opposed to dextral. [ 1913 Webster ]

2. (Zool.) Having the whorls of the spire revolving or rising to the left; reversed; -- said of certain spiral shells. [ 1913 Webster ]

n. The quality or state of being sinistral. [ 1913 Webster ]