The sinister aspect of the side street had vanished.
There was no way that they could maintain a sinister aspect for more than brief minutes.
The black metal of its skin gave it an unearned sinister aspect.
Gordon felt the sinister aspect of the red sun as the ships swung toward it.
"This is beginning to take on a very sinister aspect," he said.
That pointed to human agency, and the affair took on a newly sinister aspect.
But already it's beginning to take on a sinister aspect.
I looked up and down the road whose emptiness was taking on a sinister aspect.
Against the dim light of the dressing room his figure took on a sinister aspect.
The more sinister aspect of intrusion into people's personal lives goes beyond respect for an individual's right to privacy.