71%RatingSave Gender Masculine & Feminine Usage English (Modern) Pronounced Pron. /sɪn.ˈsɪəɹ/ [key·simplify] Meaning & History From the English word meaning genuine or heartfelt. PopularityDetails Last ranked #592 in 2023 United States Categories English adjectives, modern English, Tori Amos lyrics, truth, virtue names, virtues, word names