a. | 1. | Slow of understanding; wanting readiness of apprehension; stupid; doltish; blockish. |
2. | Slow in action; sluggish; unready; awkward. | |
3. | Insensible; unfeeling. | |
4. | Not keen in edge or point; lacking sharpness; blunt. | |
5. | Not bright or clear to the eye; wanting in liveliness of color or luster; not vivid; obscure; dim; | |
6. | Heavy; gross; cloggy; insensible; spiritless; lifeless; inert. | |
7. | Furnishing little delight, spirit, or variety; uninteresting; tedious; cheerless; gloomy; melancholy; depressing; | |
v. t. | 1. | To deprive of sharpness of edge or point. |
2. | To make dull, stupid, or sluggish; to stupefy, as the senses, the feelings, the perceptions, and the like. | |
3. | To render dim or obscure; to sully; to tarnish. | |
4. | To deprive of liveliness or activity; to render heavy; to make inert; to depress; to weary; to sadden. | |
v. i. | 1. | To become dull or stupid. |