sinister🔊

Inauspicious, ominous, unlucky, illegitimate.

Evil or seemingly evil; indicating lurking danger or harm.

(archaic) Of the left side.

(heraldry) On the left side of a shield from the wearer's standpoint, and the right side to the viewer.

(obsolete) Wrong, as springing from indirection or obliquity; perverse; dishonest.