sinister /ˈsɪnəstɚ/ adjective Learner's definition of SINISTER
[more sinister; most sinister]
: having an evil appearance : looking likely to cause something bad, harmful, or dangerous to happen面露凶相的;邪恶的;有凶兆的;不祥的 -
There was something sinister about him.他身上有某种邪恶的东西。
-
He looked sinister.他看起来很邪恶。
-
sinister black clouds不祥的乌云