In New York, there is something slightly sinister about the whole notion of storage.

Her fragmented images are anonymous, and at times slightly sinister.

At the same time, it was almost too nice and, to Adam's mind, slightly sinister.

He has to be quite imposing and slightly sinister, with good theatrical abilities.

The character who results can range from the mild to the slightly sinister.

In the shadowy light of their corner, the light from behind the fern he looked slightly sinister.

Even from behind, his tall, slim body looked slightly sinister.

Naturally dark of skin, gloom made him look slightly sinister.

For me, too, there is something slightly sinister and disturbing in such an overwhelming architectural statement.

Like many women, I find scrupulous attention to personal hygiene slightly sinister in a man.