redouble
/riːˈdʌb(ə)l
/verb
1Make or become much greater, more intense, or more numerous: [with object]: we will redouble our efforts to reform agricultural policy [no object]: pressure to solve the problem has redoubled...
- Charles attempted to exploit the rift between army and Parliament and redoubled his efforts to persuade the Scots to assist him.
- In Beijing Duan redoubled his efforts to strengthen his position.
- At the same time, Europe and America must redouble their efforts to strengthen the imperfect but necessary system of international governance.
1.1 [no object] Bridge Double a bid already doubled by an opponent: by redoubling you are asking your partner to bid something...
- The games can be doubled and redoubled as in bridge.
noun Bridge
A call that doubles a bid already doubled by an opponent: this is a textbook position in which to use the SOS redouble...
- The players now bid as in Contract Bridge (doubles and redoubles are allowed), until one player passes.
- If someone then bids higher, any previous doubles and redoubles are cancelled.
Origin
Late Middle English: from French redoubler, from re- 'again' + doubler 'to double'. The noun dates from the early 20th century.