coruscative
/kɒrˈʌskətɪv/ or /kɔːˈskætɪv/Definitions
1. adjective
Having a sharp, biting quality; severe and scathing in criticism or tone.
“The coruscative wit of the comedian left the audience in stitches.”
2. noun
A sharp, biting remark or piece of criticism.
“Her coruscative comment about the politician’s proposal went viral on social media.”