| Rating | Solver | Clue |
|---|---|---|
| ACUTER | More intense | |
| EDGIER | More intense | |
| KEENER | More intense | |
| DEEPEN | Make more intense | |
| HOTUPS | Becomes more intense | |
| DEEPENS | Becomes more intense | |
| INTENSIFICATION | The act or process of intensifying, or of making more intense. | |
| SHARPEN | To make more pungent and intense; as, to sharpen a pain or disease. | |
| INTENSIFY | To become intense, or more intense; to act with increasing power or energy. | |
| AUGMENT | To increase; to grow larger, stronger, or more intense; as, a stream augments by rain. | |
| AMPLIFY | To render larger, more extended, or more intense, and the like; -- used especially of telescopes, microscopes, etc. | |
| RELENT | To become less severe or intense; to become less hard, harsh, cruel, or the like; to soften in temper; to become more mild and tender; to feel compassion. | |