sentimental adjective definition in Love topic from the Oxford Advanced Learner's Dictionary

sentimental

 adjective: Love topic
(often disapproving) producing emotions such as pity, romantic love or sadness, which may be too strong or not appropriate; feeling these emotions too much a slushy, sentimental love story Her book is honest without being sentimental. He's not the sort of man who gets sentimental about old friendships.