sinistrously
adv/ˈsɪnɪstɹəsli/
Etymology From Middle English sinistrousely, equivalent to sinistrous + -ly.
1
Archaic In a sinistrous manner; perversely; wrongly; unluckily or sinisterly.
2
Archaic With a tendency to use the left hand.
- Many, in their infancy, are sinistrously disposed, and divers continue all their life left-handed.1646, Sir Thomas Browne, Of the Right and Left Hand: