Soil, v. t.[OE. soilen, OF. soillier, F. souiller, (assumed) LL. suculare, fr. L. sucula a little pig, dim. of sus a swine. See Sow, n.] 1. To make dirty or unclean on the surface; to foul; to dirty; to defile; as, to soil a garment with dust.
Our wonted ornaments now soiled and stained. Milton.
2. To stain or mar, as with infamy or disgrace; to tarnish; to sully. Shak.
Syn. — To foul; dirt; dirty; begrime; bemire; bespatter; besmear; daub; bedaub; stain; tarnish; sully; defile; pollute.