sac·cha·rine \ˈsak(ə)rə̇n, -kəˌrēn, -kəˌrīn\adjective Etymology: Latin saccharum sugar + English -ine — more at sacchar- 1. a.: of, relating to, or of the nature of sugar < saccharine taste > < saccharine fermentation > b.: yielding or containing sugar < saccharine vegetables > 2.: overly or unpleasantly sweet < saccharine flavor > 3.: unpleasantly or ingratiatingly pleasant, agreeable, gentle, or friendly < a saccharine smile > < saccharine poetry >