Definition of "vanquished"

We were the cause of the recovery of all the enemy people in Eastern Europe, and North and Southeast Asia. It's an unusual situation, an unusual program because the victor hardly ever helps the vanquished to recover. We did just that.

1964, Harry S. Truman, 3:12 from the start, in MP2002-479 Former President Truman Recalls Negotiating With DeGaulle and France after WWII‎, Harry S. Truman Presidential Library and Museum, National Archives Identifier: 595162

HSTs continued to provide sterling service during these years, so much so that when Virgin and Midland Mainline brought their new wave of high-speed diesel electric multiple units [...] on stream, many preferred the ride and comfort of the vanquished to the ride and comfort of the vanquisher.

2021 October 6, Greg Morse, “A need for speed and the drive for 125”, in RAIL, page 53