“Very insolent” in Japanese
Short answer
Very insolent in Japanese is “不埒千万” (furachisenban). Full meaning: very insolent, extremely audacious, reprehensible.
Other ways to say “Very insolent” in Japanese
不届き千万
futodokisenban very rude, very insolent, extremely reprehensible, outrageous
不届き至極
futodokishigoku very rude, very insolent, extremely reprehensible, outrageous
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