Irredentism Irredentism, n. From the Italian for “unredeemed” this is the belief and advocacy for a restoration of territory. [via] Share this:Click to share on Twitter (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Reddit (Opens in new window)