From Longman Dictionary of Contemporary Englishconcertedcon‧cert‧ed /kənˈsɜːtɪd $ -ɜːr-/ adjective → concerted effort/action/attack etc —concertedly adverb
Examples from the Corpus
concerted• Against concerted action by local authorities the individual librarian would be fighting a very hard and probably losing battle.• But the most concerted challenge was manifest in struggles waged by the unemployed around the poor law.• By October 1989, therefore, the time was right for a concerted diplomatic initiative against drift-net fishing.• She has also made a concerted effort to improve her knowledge.• The Government reiterated its intention to introduce a prohibition on anti-competitive agreements and concerted practices.• There should be a concerted programme to change the knife-carrying ethos in schools.Origin concerted (1700-1800) concert “to do together or by agreement” ((16-21 centuries)), from French concerter, from Old Italian concertare, from Latin, “to fight, compete”, from com- ( → COM-) + certare “to make great efforts”