“Plain woman” in Japanese
Short answer
Plain woman in Japanese is “不美人” (fubijin). Full meaning: plain woman.
Other ways to say “Plain woman” in Japanese
お多福
otafuku homely woman (esp. one with a small low nose, high flat forehead, and bulging cheeks), plain woman
お亀
okame homely woman (esp. one with a small low nose, high flat forehead, and bulging cheeks), plain woman
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