Third-person singular simple present indicative form of acerbate.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "acerbates" in a sentence
"The populace is too often caught between the devil and deep blue sea when it comes to political choice in Vincyland; however, it is to be noted that too many of us are guilty of political tribalism rather than political nuance, which further acerbates the political process."