Crossword clues for ___ up (increase rapidly) 3 letters:REV___ up (increase rapidly)PYRAMIDSIncreases rapidlySHOOTUPIncrease rapidlySNOWBALLINGIncreasing rapidlySURGEDIncreased rapidlyUPSURGERapid increaseESCALATEIncrease rapidly, as pricesRUNUPIncrease rapidlyEXPONENTIALRATERapidly increasing paceSURGEDIncreased rapidly, as troop numbersSNOWBALLRapidly increase in sizeRAMPUPIncrease rapidly ... or a hint to connecting four pairs of answers in this puzzleSPATESRapid increasesBALLOONIncrease rapidlySOARIncrease rapidlyIRRUPTIncrease rapidlySOAREDIncreased rapidly