twee (adj)

adjective: twee; comparative adjective: tweer; superlative adjective: tweest
  1. excessively or affectedly quaint, pretty, or sentimental.
    “although the film’s a bit twee, it’s watchable”
ety. early 20th century: representing a child’s pronunciation of sweet.
First time I learned this word was from reading Ben Yagoda’s
The Adjective — So Ludic, So Minatory, So Twee