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Adjective: sinister  si-ni-stu(r)
  1. Indicating evil intent or suggesting tragic developments
    "sinister storm clouds"; "a sinister smile";
    - baleful, forbidding, menacing, minacious, minatory, ominous, threatening
     
  2. Stemming from evil characteristics or forces; wicked or dishonourable
    "the scheme of some sinister intelligence bent on punishing him";
    - black, dark
     
  3. (heraldry) on or starting from the wearer's left
    "bar sinister"

See also: alarming, evil, sinistral

Encyclopedia: Sinister

Nearest

singular form
singular matrix
singularise
singularity
singularize
singularly
singultus
sinh
Sinhala
Sinhalese
sinister
sinistral
sinistrality
sinistrorsal
sinistrorse
Sinitic
Sinitic language
sink
sink in
sink or swim
sinkable