Sinister 10/29/2012 Definition of the Day Get link Facebook Twitter Pinterest Email Other Apps By Voice Dictionary - October 29, 2012 sinister - Inauspicious, ominous, unlucky; Evil, seeming to be evil; http://goo.gl/bTkNI #VoiceDictionary #LetsGetWordy #dailydef Category: Education Get link Facebook Twitter Pinterest Email Other Apps