adjective
mawkish
MAW-kish/ˈmɔːkɪʃ/
Sentimental in an excessive or sickly way.
The mawkish stage scene makes the theatergoer wince at its excessive sentiment.

Etymology
Built on a word for “maggot,” mawkish first meant “sickly, nauseated.” That physical sickness became a figurative judgment on sentiment so excessive or insipid that it seems sickening.
More examples
- She wants a heartfelt birthday card, not a mawkish one.
- The song turns mawkish when a children's choir joins the tearful singer.
- His farewell speech is warm without being mawkish.
Forms
mawkish
mawkishness noun — The quality of being excessively sentimental.
mawkishly adverb — In an excessively or sickly sentimental way.