The twenty-six countries have signed an agreement to reduce air pollution. whether or not in accordance with a fact, rule or principle Our agreement was that you would pay until the first of the month. We finally agreed: I would cook and Ann would do the cleaning. Formally in agreement with what was said or approved, the management announced that it had reached an agreement with the unions. all together at the same time, in a way that shows total agreement informally in agreement, or able to cooperate easily The Committee finally agreed on two important issues. There is a broad consensus that damage to forests is the result of air pollution. After a long discussion, there has still been no agreement on what to do next. If people agree, they all agree on what to do, when people are together, get together, etc., they work with each other and don`t confront each other, when people or things are at the same pace, they agree or move at the same speed that each of two or more people feels or does in the same way, that show that someone likes or approves of someone, or something who thinks the same way or has the same opinion as someone else when an idea resonates in a group or country, people there agree to formally accept or accept something, even if you don`t want when people are united, they have the same goals or convictions.. . .