Comparative form of swarthy: more swarthy(adjective)
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Use "swarthier" in a sentence
"The investigators found that men typically want women's faces to have feminine shape and feminine reflectance (such as plump lips and wide eyes), while women typically want men's faces to have masculine reflectance (such as swarthier skin) but a feminine shape."
"He was a bit swarthier, and he stared back at her before giving her a small smile."
"For those of you who have a preference for the swarthier sex, here is a small consolation: You're not alone, and your situation is improving."