Superlative form of swarthy: most swarthy.(adjective)
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Use "swarthiest" in a sentence
"Their fresh complexions were hidden beneath a stain that darkened the skin to the tints of the swarthiest Walloons of the Liége district."
"Amid a roar of rage from a thousand throats, a roar that might have shaken the stoutest heart, and blanched the swarthiest cheek, Bezers disappeared within!"
"The swarthiest among the swarthy faces, the darkest of dark hair, the most passionate among the fiery spirits belonged to Isaak Todros."