- embitter, envenom, acerbate - cause to be bitter or resentful; "These injustices embittered her even more"
Sample sentence:Derived form: noun acerbity3
Something ----s somebody
- acerbate - make sour or bitter
--2 is one way to change, alter, modify
Sample sentence:Derived forms: noun acerbity1, noun acerbity2
Something ----s something