Characteristic of or relating to expansionism; involving or promoting aggressive expansion of territory, power, or influence.
From 'expansionist' (noun) + '-ic' (adjective-forming suffix). Double-suffix construction emphasizing the ideology and practices of expansionists.
The '-istic' ending intensifies the meaning—'expansionist' describes a person, but 'expansionistic' describes policies, ideologies, and behaviors as intrinsically aggressive and ambitious.
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