性せい教きょう育いくせいきょういくCommon wordFreq.FrequencyTop 50,000Meanings1nounsex educationRefers to formal or informal education about human sexuality, reproduction, and sexual health.学がっ校こうで性せい教きょう育いくの授じゅ業ぎょうを受うけた。I had a sex education class at school.性せい教きょう育いくは思し春しゅん期きの子こどもにとって重じゅう