Definition of "ultranationalist"

The ultranationalist Young Turks could not accept the loss of Ottoman territory without a fight.

2015, Eugene Rogan, The Fall of the Ottomans, Penguin, published 2016, page 15

“Vox is an ultra-nationalist party – I think that’s the best definition,” says González. “Within Vox, you have sectors that came from the fascist Falange party and ultra-Catholic sectors that are pro-life and absolutely against abortion and gay marriage.”

2023 June 11, Sam Jones, “From ‘cranks’ to contenders: how Spain’s far-right Vox party is rising toward power”, in The Observer‎

[…] the theatrical ultranationalist Vladimir V. Zhirinovsky took his plunge this year at Bottomless Lake […] .

2009 January 21, Ellen Barry, “Russians Strengthen Their Faith and a Tradition With an Icy Water Plunge”, in New York Times‎