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dusky suggests a darkness of color or an absence of light, verging on blackness dusky twilight or, in reference to complexion, a shadowy quality; swarthy and tawny both refer only to color, swarthy suggesting a dark brown verging on black a swarthy complexion and tawny, a yellowish brown or tan tawny hair See also syn. study at dark.
See dusky in Webster's New World Roget's A-Z Thesaurus II
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