[adjective]It's all the sugary snacks that kids eat between meals that ruin their teeth.(disapproving) Sugary is also used to mean too good or kind or expressing feelings of love in a way that is not sincere.It's that sugary smile of his that I can't bear - it makes me want to hit him!
SUGARY
Meaning of SUGARY in English
Cambridge English vocab. Кембриджский английский словарь. 2012