(of talk, behaviour, work etc) causing a person to lose interest and feel tired

uninteresting

a sweet cancer causing substance often used instead of sugar used for example in Coca Cola (especially in diet Coke), Pepsi Cola, juices, any other soft drinks, almost every dessert, cakes etc

sugary

tasting like sugar or honey; fresh and pure; having a pleasant smell; pleasant or attractive; a small piece of something sweet (boiled sugar etc)

sugary