Using 'caustically' expresses a sharp, cutting tone, suggesting strong disapproval or disdain. She caustically dismissed the plan as utterly foolish.
Pro Tip 2/3
Harsh Sarcasm
'Caustically' often implies that the sarcasm is hurtful or intended to sting. He commented caustically on every mistake I made.
Pro Tip 3/3
Confrontational Context
Use 'caustically' for situations where someone is being confronted or challenged, not light banter. The journalist caustically questioned the politician's vague statement.