Of or pertaining to the left side; left-handed. The sinistral artist found it challenging to use right-handed tools.
Having a leftward or counterclockwise direction or orientation, especially in reference to the coiling of shells. The sinistral shell of the snail spiraled in the opposite direction compared to most other species.
Describing lateral displacement along a strike-slip fault in which the block across the fault moves to the left of an observer. The earthquake produced a sinistral movement along the fault, shifting the northern block several meters westward.