1. Substance corrosive.
2. (Au figuré) Entrain.
3. (Au figuré) Vivacité. Un orateur plein de mordant.
ETYM French, originally, biting.
A substance used to treat leather or other materials before dyeing; aids in dyeing process.
1. Caustique.
2. Vif. Esprit mordant.
1. Suitable for cutting or severing.
2. As physically painful as if caused by a sharp instrument; SYN. keen, knifelike, piercing, stabbing.
3. (Of speech) Harsh or hurtful in tone or character; SYN. edged, stinging.