When something is sinistrous, it is on the left side or turning to the left. It can also mean unlucky or evil.
Sinistrous can be a little scary because it is often connected to bad things like evil or bad luck.
Examples:
The sinistrous path leads to the old, haunted house.
She felt a sinistrous presence in the dark forest.
The witch's sinistrous laugh echoed through the night.
The sinistrous cat crossed our path, and we all felt a little uneasy.
The sinistrous storm brought destruction and fear to the village.
The old book was said to contain sinistrous secrets.