SOILING

verb

1. To make dirty.
2. To become dirty or soiled.
3. To stain or mar, as with infamy or disgrace; to tarnish; to sully.

verb

1. To feed, as cattle or horses, in the barn or an enclosure, with fresh grass or green food cut for them, instead of sending them out to pasture; hence (such food having the effect of purging them), to purge by feeding on green food.

noun

1. An act of making dirty.