Sordid, a.
Etymology: [L. sordidus, fr. sordere to be filthy or dirty; probably akin to E. swart: cf. F. sordide. See Swart, a.]
1. Filthy; foul; dirty. [Obs.] A sordid god; down from his hoary chin A length of beard descends, uncombed, unclean. Dryden.
2. Vile; base; gross; mean; as, vulgar, sordid mortals. "To scorn the sordid world." Milton.
3. Meanly avaricious; covetous; niggardly. He may be old, And yet sordid, who refuses gold. Sir J. Denham.
Shades of meaning
Fernald has no entry of its own for sordid; he lists it under avaricious.
He lists it without comment; the entries above explain its neighbors.