irridentist (noun)

1. Why did the irredentist go to the dentist? Because they wanted to claim a tooth belonging to their neighboring country!

2. In the cartoon, the irredentist character relentlessly tries to convince others about the justification of reclaiming lost territories.

3. The main protagonist of the comic series is an irredentist who embarks on a journey to reunite the fragmented lands of their ancestors.

4. Set in a futuristic world, the science fiction novel explores the consequences of an irredentist movement aiming to annex neighboring planets.