SINISTER, SINISTERLY
ADJECTIVES
► LEFT-HANDED ill-omened, inauspicious, sinister → 1609
► MURKY morally questionable, sinister; shady, suspect → 1779
ADVERBS
► AWKLY in the wrong direction, backhanded or left-handed wise; hence, sinisterly, unluckily → c1440 obs.
► SINISTRALLY in a sinister manner; perversely; wrongly → 1548 obs.
NOUNS
► BAD MEDICINE something or someone sinister or ill-fated → 1844 US West usage
► COVEN a group or association, esp. one viewed as secretive, exclusive or sinister → 1948 depreciative usage
► SINISTERITY sinister character; perversity; dishonesty → 1647 obs.
NOUNS – PERSON
► BAD MEDICINE someone sinister or ill-fated → 1844 US West usage
Lexicophilia 