サーサーFreq.FrequencyTop 5,000Meanings1nounSirUsed as a polite form of address for a man, especially in formal or service contexts. Often used in Japanese to address male customers or superiors in a Western-influenced manner.お客きゃく様さま、サー、お荷に物もつをお持もちしましょうか。Sir, may I carry your luggage?