The part of a sentence "sinister look" is correct and usable in written English.
Example: The suspect gave a sinister look to the jury as he was being escorted out of the courtroom, causing the tension in the room to rise.
Though it was a sinister look, her strategy had an innocent purpose: she just wanted to try on lipstick.
The Trump campaign also appears to have added a darkening filter to the clip giving it a more sinister look.
The action then whizzes along to Hogwarts, which takes on the dark and sinister look that was a hallmark of director Alfonso Cuaron's contribution to the franchise.
His chin whiskers flow thick and taper to a point, giving him a slightly sinister look, which he dispels with frequent smiles that seem naturally modest.
This vaguely sinister look belies the Kitchen's friendly approach to Italian cooking, a semicasual version of the fare the family has served at its flagship Hartford restaurant for over 50 years.
I particularly liked the sinister look of the Burner, which I saw at the Geneva show in 2008, with its Goth color scheme of black in various finishes set off by details painted blood-red.
However some fear it could be a rather terrifying as well owing to the somewhat sinister looking mask.
'It really is so sinister looking, it's so very Shakespearean,' he says.
They became the vanguard of Torino's support behind their legendary banner, a sinister looking white skull with maroon trim.
Sinister looking shadows will crawl across a wall, for example, or lights will flicker and turn funny.
In the back we had a stack of flats, a tent, a barbecue, five televisions, seven tables, two chairs and about the most sinister looking standing lamp you'll ever see.
