C2describes someone who is strongly influenced by emotional feelings, especially about happy memories of past events or relationships with other people, rather than by careful thought and judgment based on facts: Why be sentimental about that old coat? There's no point in keeping it just because you were wearing it when you first met me.It's a cheap ring but it has great sentimental value for me.Feelings - general words›disapprovingtoo strongly influenced by emotional feelings: silly sentimental songs/storiesSentimental and over-emotionalsentimentally