caustically

It’s an approach that relies more on caustic rhetoric than on substantiated allegations.

A recently formed advocacy group in Northern Virginia, Arlington Parents for Education, released a caustic statement slamming the superintendent’s new, slower reopening plan, arguing it will harm children.

If he was getting hot around the collar, Ziffer said caustically, it was "partly because I'm one of those hot-headed Levantines."

“I find ‘the baboon’ suits him better than his real name,” she adds caustically.

“Only blue-eyed blondes get any press,” he caustically wrote.

"You seem to know as much about submarines as you do about moving pictures," remarked Matt, caustically.

Max commented on the fact caustically, but Dal hushed him up.

"Till then I may as well make myself useful," Stella interrupted caustically.

And Mr. Evans had caustically rejoined: "It'll be the funny day when you'll see wings on him!"

"There's some things—such as chronic sassiness—some folks never get over," he observed caustically.