| Answer | Crossword Clue |
|---|---|
| FLARESUP | Suddenly intensifies |
| DEEPENS | Intensifies. |
| AMPSUP | Intensifies |
| STEPSUP | Intensifies. |
| ESCALATES | Intensifies |
| FLARESUP | Intensifies |
| HEIGHTENS | Intensifies. |
| BUILDS | Intensifies |
| HEIGHTENS | Intensifies |
| ENHANCES | Intensifies. |
| REVSUP | Intensifies |
| ENHANCES | Intensifies |
| SHARPENS | Intensifies |
| HEATSUP | Intensifies |
| DEEPENS | Intensifies |
| LOUDENS | Intensifies, perhaps |
| RAISESTHESTAKES | Intensifies things |
| AMPSUP | Intensifies, informally |
| AMPSUP | Intensifies, in slang |
| AMPS | Intensifies (with "up") |
| HEATS | Intensifies, with "up" |
| REVS | Intensifies, with "up" |
| AMPS | Intensifies, with "up" |
