forgettable
🇺🇸
/fərˈɡetəbl/
🇬🇧
/fəˈɡetəbl/
not special or interesting, so you easily forget it
The movie was so forgettable that I couldn't remember the plot the next day.
這部電影太普通無趣了,以至於我第二天就想不起劇情了。