Emily Dickinson Lexicon

DIM'NESS, n.

1. Dullness of sight; as, the dimness of the eyes.
2. Obscurity of vision; imperfect sight; as, the dimness of a view.
3. Faintness; imperfection; as, the dimness of a color.
4. Want of brightness; as, the dimness of gold or silver.
5. Want of clear apprehension; stupidity; as, the dimness of perception.