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formal; courteous; ritual; ritualistic
彼の挨拶はいつも儀礼的で冷たい。
His greetings are always formal and cold.
儀礼的な訪問に過ぎなかった。
It was nothing more than a courtesy visit.
儀礼的な笑顔の裏に本音を隠していた。
Behind the formal smile, true feelings were hidden.