The word "sinister" in English means: Giving the impression that something harmful or evil is happening or will happen., Threatening or suggesting evil or wickedness..
The phonetic transcription of "sinister" is /ˈsɪnɪstər/ in British English and /ˈsɪnɪstər/ in American English. Click the 🔊 button to hear both pronunciations.
Synonyms for "sinister": menacing, threatening, ominous, evil, frightening, unfriendly.
Example usage of "sinister": "The empty house had a sinister look about it, so they avoided it.". More examples on the page.