dull
• adjective 1 lacking interest or excitement. 2 lacking brightness or sheen. 3 (of the weather) overcast. 4 slow to understand; rather unintelligent. 5 indistinctly felt or heard. • verb make or become dull. — DERIVATIVES dullness (also dulness) noun dully /dul-li/ adverb. — ORIGIN Old English, stupid .
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