Acerbic

əˈsərbɪk

adjective

sharp and forthright, often with a cutting wit

The word 'acerbic' is often used to describe someone's tone or humor as sharp and sarcastic, with a biting wit that can be somewhat caustic. It is derived from the Latin word 'acerbicus,' meaning sour or bitter.

As long as it has taken me to dance this dance, it would surely have taken twice as long without the assistance of my faithful (and acerbic) minion and sometime traveling companion Ty Franck, who tends to my computer when Stephen’s not around, keeps the ravening virtual mobs from my virtual doorstep, runs my errands, does my filing, makes the coffee, walks the walk, and charges ten thousand dollars to change a light bulb—all while writing his own kick-ass books on Wednesdays.

George R. R. Martin

A Dance with Dragons: A Song of Ice and Fire: Book Five

He has a quick, acerbic mind — the students enjoyed him.'

Stephen King

'Salem's Lot

As long as it has taken me to dance this dance, it would surely have taken twice as long without the assistance of my faithful (and acerbic) minion and sometime traveling companion Ty Franck, who tends to my computer when Stephen’s not around, keeps the ravening virtual mobs from my virtual doorstep, runs my errands, does my filing, makes the coffee, walks the walk, and charges ten thousand dollars to change a light bulb—all while writing his own kick-ass books on Wednesdays.

Martin, George, R. R.

A Dance With Dragons

Finally, the intercom crackles and Haymitch's acerbic laugh fills the studio.

Suzanne Collins

Mockingjay