What is Over-sentimental?

Over-sentimental definition and meaning on Dictionary terms:
expressive of or appealing to sentiment, especially the tender emotions and feelings, as love, pity, or nostalgia: a sentimental song.
pertaining to or dependent on sentiment: We kept the old photograph for purely sentimental reasons.
weakly emotional; mawkishly susceptible or tender: the sentimental Victorians.
characterized by or showing sentiment or refined feeling.


reference: https://www.dictionary.com/browse/over-sentimental