| A | B |
|---|
| Excruciating | Extremely painful; agonizing |
| Crux | The most important or decisive point |
| Crucial | Extremely necessary; essential |
| Indolent | Lazy; averse to work |
| Doleful | Sad; mournful |
| Dolorous | Mourn; gloomy |
| Acerbic | Harsh and biting in tone |
| Acrid | Stinging or biting in odor or taste; harsh; irritating |
| Acrimonious | Exhibiting harsh sharpness in speech or mood |
| Exacerbate | To make worse or more severe |
| Fervent | Passionately excited or enthusiastic |
| Fervor | Emotional excitement; heated enthusiasm |
| Effervescent | Highly spirited; animated |
