n.
1.
Acuteness, keenness.
2.
Sagacity, shrewdness, ingenuity, wit, cleverness, quickness, acuteness, discernment, acumen.
3.
Pungency, piquancy, acridity, acidity, tartness.
4.
Severity, sarcasm, satire, pungency.
5.
Poignancy, intensity, painfulness, keenness, pungency, severity, afflictiveness.
6.
Fierceness, violence, ardor.
7.
Shrillness, highness.
8.
Eagerness, keenness.
9.
Keenness, severity.