- octuple⇄adj. 1. consisting of eight parts; eightfold.
2. eight times as great. - octuple⇄noun 1. a number or amount eight times as great as another.
2. a type of racing scull that seats eight persons. - octuple⇄octuple, adjective, noun, verb, -pled,-pling.
- octuple⇄v.t., v.i. to make or become eight times as great.