marring

He sits in dark corners of the narrative, a bit inanimate, like a broken chair marring a finely furnished room.

A cloth or paper is placed over the back of the chair to prevent marring of the varnish or wood.

Yet I think the cry was less from pain than to see the marring of her shining breastplate; and the tears started to her eyes.

My popularity grew as the improvements increased, but one trifling incident came near marring it.

By what she was doing she was marring her chance of preserving into old age the appearance of comparative youth.

The thought should be clothed in a perfect body, so that nothing can be added or subtracted without marring the beauty.