The phrase "sinister forces" refers to hidden or evil powers, influences, or individuals that work secretly to cause harm or manipulate situations in a negative way.
Sentences with «sinister forces»
You may have thought some unknown monster was the threat here - and maybe you still do - but the real sinister force at work is the town itself. (gamesradar.com)
At Petzel Gallery, New York, an installation of anthropomorphic sea creatures explores sinister forces of authority and violence (frieze.com)
In nearby Bolton, South Dakota, one brave woman is standing up for justice in a small town threatened by sinister forces. (goodereader.com)