D defs.my
Entry 2 senses Webster, 1913

Sinistrous

· Sin·is·trous · IPA /ˈsɪnɪstɹəs/
01 a. Being on the left side; inclined to the left; sinistral.
  1. 1.
    Being on the left side; inclined to the left; sinistral.
  2. 2.
    Wrong; absurd; perverse.
    “A knave or fool can do no harm, even by the most sinistrous and absurd choice.” Bentley.