DULLNESS, n. 1. Stupidity; slowness of comprehension; weakness of intellect; indocility; as the dullness of a student.2. Want of quick perception or eager desire.3. Heaviness; drowsiness; inclination to sleep.4. Heaviness; disinclination to motion.5. Sluggishness; slowness.6. Dimness; want of clearness or luster.7. Bluntness; want of edge.8. Want of brightness or vividness; as dullness of color.
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