All 4 Uses

contrast
in
Lock and Key, by Sarah Dessen
(Auto-generated)

The hole was even bigger now, the red clay and exposed rock a marked contrast to the even green grass on either side of it.
Chpt 4 *

contrast = notable difference
Looking at her, I was reminded how really different we were, me a redhead with pale, freckled skin, such a contrast to her black hair and blue eyes.†
Chpt 2
Sometimes, sitting on my own bed, I'd look across and be amazed at the contrast: it was like a before-and-after shot, or a reverse mirror image, the best becoming the worst, and back again.†
Chpt 2
'But it's the contrast that's interesting.†
Chpt 5

Definitions:

(1) (contrast as in: contrast their writing styles)
point to differences between; or compare to show differences
(2) (contrast as in: there is a contrast)
a difference -- especially a notable difference; or the side-x-side arrangement of things that draws attention to an unmissable difference
(3) (contrast as in: sharpen the picture contrast)
the difference between tones of an image -- as in a photo or video -- such as the quality of brightness or the intensity of shades or colors
(4) (meaning too rare to warrant focus)