Revanchist

From revanche + -ist. Compare later French revanchiste.

Full definition of revanchist

(plural revanchists)

1997, Tony Hendra, "Old Soldiers", Harpers Magazine, vol. 295:1766, p. 53:The next day, newspapers across the political spectrum will express varying degrees of outrage at the president's discourtesy, ignorance, and lack of style; one will accuse him of being a revanchist.

Seeking revenge or otherwise advocating retaliation, especially against a nation which has previously defeated and humiliated the revanchist party in war. Originally referred to the French indignation over losing Alsace-Lorraine to Germany in the Franco-Prussian War.

1974, "The Legacy of a 'Good German'", Time, 20 Mar 1974:No longer did young German tourists in France or Holland have to pretend that they were Swedes, and no longer did the governments of Eastern Europe blame all their problems on the "revanchist West Germans".
2009, Jackson Lears, "The Waxing and Waning of America's Political Right", New York Times, 2009 SEP 29 2009 OCT 05. http://www.nytimes.com/2009/09/29/books/29lears.html:What remains is an elegant brief history of the modern conservative movement, as unsparing in its critique of liberal hubris as of revanchist resentment.