貴き兄けいきけいMeanings1pronounyou (polite, to male equal or superior)polite (teineigo)›Polite second-person pronoun used by men, typically in letters, to address a male equal or superior. Not used in casual speech.貴き兄けいにはますますご清せい栄えいのこととお喜よろこび申もうし上あげます。