acerbate

verbs

cause to be bitter or resentful
"These injustices embittered her even more"
acerbate, embitter, envenom
is derived from
acerbity
make sour or bitter
acerbate
is derived from
acerbity
is derived from
acerbity
is a type of (narrower)
cause to change; make different; cause a transformation
"The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"
alter, change, modify