merest
adjective uk/ˈmɪə.rɪst/ us/ˈmɪr.ɪst/
the merestC2 （用于强调某一行动或事件虽小却有重大影响）仅仅一丁点儿的，最微小的
used to emphasize the surprising or strong effect of a very small action or event
The merest mention of seafood makes her feel sick. 只要一提海鲜她就会觉得恶心。
The merest hint of criticism makes him defensive. 只要有一点点批评他的意思就会让他警觉起来。