| Rating | Solver | Clue |
|---|---|---|
| SURGE | Sudden increase | |
| UPSURGE | Sudden large increase | |
| JUMP | Sudden large increase | |
| SURGEON | Sudden increase? Put on doctor! | |
| BABYBOOM | Sudden natal increase makes infant thrive | |
| QUANTUMLEAP | Sudden increase in athletic move for scientist? | |
| RINFORZANDO | Increasing; strengthening; -- a direction indicating a sudden increase of force (abbreviated rf., rfz.) Cf. Forzando, and Sforzando. | |
| FLICKER | The act of wavering or of fluttering; flucuation; sudden and brief increase of brightness; as, the last flicker of the dying flame. | |
| CHILL | To produce, by sudden cooling, a change of crystallization at or near the surface of, so as to increase the hardness; said of cast iron. | |