[noun] [U] [disapproving]Sentimentality is the expression of feelings that are too sentimental."What do you think of his songs?" "The tunes are great, but I can't stand the sentimentality of his lyrics."(disapproving) Sentimentality is also sentimentalism.
SENTIMENTALITY
Meaning of SENTIMENTALITY in English
Cambridge English vocab. Кембриджский английский словарь. 2012