• synonyms


[ sin-uh-struh s ]
/ ˈsɪn ə strəs /


ill-omened; unlucky; disastrous.
sinistral; left.

Nearby words

sinistrogyration, sinistromanual, sinistropedal, sinistrorse, sinistrotorsion, sinistrous, sinitic, sink, sink in, sink one's teeth into, sink or swim

Origin of sinistrous

1550–60; < Latin sinistr-, stem of sinister (see sinister) + -ous
Related formssin·is·trous·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for sinistrous

  • He lived in obscurity, and only went out at night; he only communicated with his fellows with the most sinistrous precautions.

    History of the Girondists, Volume I|Alphonse de Lamartine
  • It was the advocate of Mr. Van Buren's election, and therefore would prevent the suspicion of sinistrous design upon him.

  • At last he got quite dexterous—and sinistrous, too, for that matter.

British Dictionary definitions for sinistrous


/ (ˈsɪnɪstrəs) /

adjective archaic

sinister or ill-omened
Derived Formssinistrously, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012