sinistre

Adjective

sinister (comparative more sinister, superlative most sinister)

1. Inauspicious, ominous, unlucky, illegitimate.
   • bar sinister

   Synonyms:

   foreboding, portentous, augurous, baleful, bodeful, boding, dire, disastrous, divine, fatal

2. Evil or seemingly evil; indicating lurking danger or harm.
   • sinister influences

   Synonyms:

   malicious, malevolent, abandoned, arrant, bad, bad apple, bad seed, baleful, scurrilous, baneful

3. (archaic) Of the left side.
   • my Mothers bloud / Runs on the dexter checke, and this ſiniſter / Bounds in my fathers:c. 1602 (date written), William Shakespeare, “The Tragedie of Troylus and Cressida”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and...

   Antonyms:

   dexter

   1. (archaic) On the left side of a shield from the wearer's standpoint, and the right side to the viewer.
      • The shield was divided into five, with two coats of arms on the dexter side (the right-hand side from the point of view of the bearer of the shield)—London and Southampton—and three on the sinister side—Salisbury, Winchester and Portsmouth.1956 July, Col. H. C. B. Rogers, “Railway Heraldry”, in Railway Magazine, page 477
4. (obsolete) Wrong, as springing from indirection or obliquity; perverse; dishonest.
   • Nimble and sinister tricks and shifts.1625, Francis [Bacon], “Of Judicature”, in The Essayes […], 3rd edition, London: […] Iohn Haviland for Hanna Barret, →OCLC