adjective. Planned or accomplished together; combined.

adjective. Arranged in parts for voices or instruments.

Mutually agreed upon, contrived, or planned.

Brought into connection or relation; connected by a plan.

In music, arranged in parts for several voices or instruments, as a trio, a quartet, etc.

adjective. Mutually contrived or planned; agreed on.

adjective. a composition in parts for several voices or instrument, as a trio, a quartet, etc.

verb. Simple past tense and past participle of concert.

adjective. Performed through a concert of effort; done by agreement or in combination.

adjective. Having separate parts for voices and instruments

adjective. involving the joint activity of two or more

"They wrote today to Bill Lan Lee, the assistant attorney general for civil rights, and asked him to conduct a federal investigation into what they call the concerted effort to undermine the right to vote -- Stephen."

joint  

preconcerted  

alerted  asserted  averted  blurted  converted  

abortive  all-out  convulsive  decisive  deliberate  

accompanying  accordant  agreeing  associate  associated