Vocabulary What does お~ mean? お~ means honorific prefix (o-). Quick factsReadingお~Romajio~Level (estimated, JLPT framework)N5 お~お~N5 · estimated, JLPT frameworko~honorific prefix (o-)Example sentencesお茶(ちゃ)をどうぞ。Please have some tea.お名前(なまえ)を教(おし)えてください。Please tell me your name.