Search and compare thousands of words and phrases in American Sign Language (ASL). The largest collection online.
How to sign: harsh or corrosive in tone
"an acerbic tone piercing otherwise flowery prose"; "a barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering criticism"; "caustic jokes about political assassination, talk-show hosts;
How to sign: of a substance, especially a strong acid; capable of destroying or eating away by chemical action