noun, plural sen·ti·men·tal·i·ties.
- the quality or state of being sentimental or excessively sentimental.
- an instance of being sentimental.
- a sentimental act, gesture, expression, etc.
noun plural -ties
- the state, quality, or an instance of being sentimental
- an act, statement, etc, that is sentimental
n.1768, from sentimental + -ity.