negligible
adjective uk/ˈneɡ.lɪ.dʒə.bəl/ us/ˈneɡ.lə.dʒə.bəl/
C2 微不足道的，可忽略的，不重要的
too slight or small in amount to be of importance
The difference between the two products is negligible. 两种产品之间的差异微乎其微。
My knowledge of German is negligible. 我对德语只是略知一二。
Synonym: trifling