Frequency: The word is one of the 700 most common words in English.
1.
If countries or groups involved in a war or violent conflict are discussing ~, they are talking to each other in order to try to end the conflict.
Leaders of some rival factions signed a ~ agreement last week...
They hope the treaty will bring ~ and stability to Southeast Asia.
N-UNCOUNT: usu N n
2.
If there is ~ in a country or in the world, there are no wars or violent conflicts going on.
The President spoke of a shared commitment to world ~ and economic development.
...the Nobel Peace Prize.
? war
N-UNCOUNT: oft at N
3.
If you disapprove of weapons, especially nuclear weapons, you can use ~ to refer to campaigns and other activities intended to reduce their numbers or stop their use.
...two ~ campaigners accused of causing damage to an F1-11 nuclear bomber...
N-UNCOUNT: usu N n
4.
If you have ~, you are not being disturbed, and you are in calm, quiet surroundings.
All I want is to have some ~ and quiet and spend a couple of nice days with my grandchildren...
One more question and I’ll leave you in ~.
N-UNCOUNT: oft in N
5.
If you have a feeling of ~, you feel contented and calm and not at all worried. You can also say that you are at ~.
I had a wonderful feeling of ~ and serenity when I saw my husband...
N-UNCOUNT: oft at N
6.
If there is ~ among a group of people, they live or work together in a friendly way and do not quarrel. You can also say that people live or work in ~ with each other.
...a period of relative ~ in the country’s industrial relations...
N-UNCOUNT: oft in N
7.
The Peace of a particular place is a treaty or an agreement that was signed there, bringing an end to a war. (OLD-FASHIONED)
The Peace of Ryswick was signed in September 1697.
N-IN-NAMES: the N of n
8.
see also breach of the ~ , Justice of the Peace
9.
If you hold or keep your ~, you do not speak, even though there is something you want or ought to say. (FORMAL)
...people who knew about this evil man but held their ~...
= keep quiet
PHRASE: V inflects
10.
If someone in authority, such as the army or the police, keeps the ~, they make sure that people behave and do not fight or quarrel with each other.
...the first UN contingent assigned to help keep the ~ in Cambodia...
PHRASE: V inflects
11.
If something gives you ~ of mind, it stops you from worrying about a particular problem or difficulty.
He began to insist upon a bullet-proof limousine, just for ~ of mind.
PHRASE: PHR after v, for PHR
12.
If you express the wish that a dead person may rest in ~, you are showing respect and sympathy for him or her. ‘Rest in ~’ is also sometimes written on gravestones. (FORMAL)
PHRASE: usu PHR after modal