English definition of “sentimental”
FEELING › showing kind feelings such as sympathy, love, etc, especially in a silly way: a sentimental song The British are very sentimental about animals.
VALUE › related to feelings and memories and not related to how much money something costs: It wasn't an expensive ring but it had great sentimental value. sentimentality
/ˌsentɪmenˈtæləti/ noun [U]