›extremely careful in protecting someone or something: She is very jealous of her independence, and doesn't want to get married.Her parents used to keep a jealous watch over her when she was young.Cautious and vigilantPaying attention and being carefuljealously
/-li/adverbB2The exact location of the hotel where the royal couple is staying is a jealously (= carefully)guarded secret.She eyed Gwen's engagement ring jealously.Cautious and vigilantPaying attention and being carefulEnvy and jealousy