Answer: octuple

AnswerCrossword Clue
OCTUPLEEightfold
OCTUPLEDouble x double x double
OCTUPLEEight times as great
OCTUPLEDouble, double and double again
OCTUPLEConsisting of eight parts.
OCTUPLEEightfold.
OCTUPLELike an amazing return on an investment
OCTUPLEExpand to 800%
octupleto multiply by eight
octupleeightfold; eight times as great
octupleto make eight times as great
octuplehaving eight effective units or elements
octupleshell rowed by a crew of eight, each rower using a pair of oars