géaraigh

Etymology
From. .

Verb

 * 1)  to sharpen
 * 2)  to whet
 * 3)  to intensify
 * 4)  to sour
 * 5)  to quicken
 * 6)  to steepen
 * 7) to bring out
 * 8) to exacerbate
 * 1) to exacerbate