si·nis·trous /ˈsɪnəstrəs, səˈnɪs-/
Sin·is·trous a.
1. Being on the left side; inclined to the left; sinistral. “Sinistrous gravity.”
2. Wrong; absurd; perverse.
A knave or fool can do no harm, even by the most sinistrous and absurd choice. --Bentley.
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