neg·a·tiv·i·ty
noun/ˌneɡəˈtɪvəti/
/ˌneɡəˈtɪvəti/
(also negativism
[uncountable] (formal)/ˈneɡətɪvɪzəm/
/ˈneɡətɪvɪzəm/
)- the fact of tending to consider only the bad side of something/somebody; a lack of enthusiasm or hope
否定性；消极性