Explanation
"Gainsay" means to deny or contradict, so its opposite is "own," which means to admit or acknowledge. "Regret" implies sorrow, not denial, while "prude" and "prudent" are unrelated in meaning. Thus, "own" is the correct antonym.
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"Gainsay" means to deny or contradict, so its opposite is "own," which means to admit or acknowledge. "Regret" implies sorrow, not denial, while "prude" and "prudent" are unrelated in meaning. Thus, "own" is the correct antonym.