Emily Dickinson Lexicon

dull (-er, -est), adj. [ME dul, foolish.] (webplay: bright, cloggy, color, comprehend, dullness, hearing, industry, lad, learn, life, man, seeing, scholar, slow, spirit, stupid, wind, work).

1. Mentally slower; less intelligent; having fewer creative faculties.
2. Dim; not translucent; not bright.
3. Boring; weary; tedious.
4. Hearing impaired; slightly deaf; (see Matthew 13:15).
5. Not sharp.
6. Numb; emotionally dead; not capable of a full range of feelings.
7. Dispirited; melancholy; depressed; sad; unhappy.