I suggest that 'slanted' more likely suggests it was planned that way, while 'slanting' more often suggests the slant is accidental. That is the only difference that comes hesitantly to mind.

Hi Mister Micawber,

Are they used interchangeably? I'm very confused each time when I see these adjectives. I found this example from ehow. Look at how he used 'a slanting ceiling' in the header, and then he went on to use 'slanted ceiling'

How to Cut Crown Molding With a Slanting Ceiling

By Jim Wildman, eHow Contributor , last updated February 10, 2012

I think that they are used interchangeably. In my previous post, I tried to think of a trend for you, but I don't really have confidence in it.

In the case of being biased (and not liable to change), slanted works:
His editorials (opinions / views) are slanted toward the political left.
The justice system should not be slanted in favor of the wealthy or of the powerful.

Slanting is used for things that can change, or things in motion.

I saw a clearing up ahead, strong morning sunlight slanting through it.

Hi Mister Micawber, hi ApheccaStars,

Thanks for helping me. In ApheccaStars' Her slanting eyes glowed' sentence, I understand slanting is an adjective, is there a difference here if "slanted' was used.

I found something very confusing. This is what I found from a story written by the same writer, in which he wrote:

1. His (the dog's) slanted almond-shaped eyes were cl