Of a colour which resembles brown; somewhat brown(adjective)
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Use "brownish" in a sentence
"Beige it is — upholstered, carpeted, and painted in brownish, grayish, yellowish hues."
"Steve Nash and his teammates served up plates of food, with the menu consisting of white chunks of something in brownish-orange sauce over white rice."
"But then after it was fully eclipsed, it turned a kind of brownish-red."