From Longman Dictionary of Contemporary Englishsue for peacesue for peaceformal if a country or army sues for peace, they ask for peace, especially because there is no other good choice They had hoped to force the North to sue for peace. → sue
Examples from the Corpus
sue for peace• They had hoped to force the North to sue for peace.• But Richard was in no mood to sue for peace.• They are prepared to sue for peace.• She was compelled to sue for peace and under the terms of the Treaty of Paris was disarmed on the Black Sea. 