expansionism
noun
ex·pan·sion·ism ik-ˈspan(t)-shə-ˌni-zəm 
: a policy or practice of expansion and especially of territorial expansion by a nation
expansionist
ik-ˈspan(t)-sh(ə-)nist
noun expansionist adjective
or less commonly expansionistic
ik-ˌspan(t)-shə-ˈni-stik
Example Sentences
Recent Examples on the Web But the goal of violent expansionism that Russia’s current leader, Vladimir Putin, seems to be pursuing is a particularly stark example of the difference between the two leaders. 
Cassie Werber, Quartz, 1 Sep. 2022 Does the Russian expansionism put NATO allies at risk as well as non-alliance member Ukraine, especially in the Baltic states and in former Warsaw Pact nations? Stephen Collinson, CNN, 19 Jan. 2022 There’s a giddy embrace of chaos that used to define the downtown scene but has mostly been absent lately, zapped by self-conscious appraisals of taste and smoothed over by the uniform gloss of social media and expansionism. New York Times, 20 July 2022 Erdogan laid out his blueprint for Turkish expansionism in crystal clear terms back in 2016. Benjamin Weinthal, Fox News, 8 June 2022 Poland, the Baltic countries and others say faster delivery of heavy weapons is needed to deal Russian President Vladimir Putin a lasting defeat that would discourage more expansionism by Moscow in the future. James Marson, WSJ, 15 June 2022 Right-wing rule has seen Australia enthusiastically embrace fossil fuel expansionism, along with brutal anti-migrant policies and a hawkish stance on foreign policy. Kate Aronoff, The New Republic, 27 May 2022 Russian President Vladimir Putin has cited NATO expansionism as a reason for his invasion of Ukraine. Annabelle Timsit And Amy Cheng, Anchorage Daily News, 12 May 2022 Russian President Vladimir Putin has cited NATO expansionism as a reason for his invasion of Ukraine. Amy Cheng, Washington Post, 12 May 2022 See More
Cassie Werber, Quartz, 1 Sep. 2022 Does the Russian expansionism put NATO allies at risk as well as non-alliance member Ukraine, especially in the Baltic states and in former Warsaw Pact nations? Stephen Collinson, CNN, 19 Jan. 2022 There’s a giddy embrace of chaos that used to define the downtown scene but has mostly been absent lately, zapped by self-conscious appraisals of taste and smoothed over by the uniform gloss of social media and expansionism. New York Times, 20 July 2022 Erdogan laid out his blueprint for Turkish expansionism in crystal clear terms back in 2016. Benjamin Weinthal, Fox News, 8 June 2022 Poland, the Baltic countries and others say faster delivery of heavy weapons is needed to deal Russian President Vladimir Putin a lasting defeat that would discourage more expansionism by Moscow in the future. James Marson, WSJ, 15 June 2022 Right-wing rule has seen Australia enthusiastically embrace fossil fuel expansionism, along with brutal anti-migrant policies and a hawkish stance on foreign policy. Kate Aronoff, The New Republic, 27 May 2022 Russian President Vladimir Putin has cited NATO expansionism as a reason for his invasion of Ukraine. Annabelle Timsit And Amy Cheng, Anchorage Daily News, 12 May 2022 Russian President Vladimir Putin has cited NATO expansionism as a reason for his invasion of Ukraine. Amy Cheng, Washington Post, 12 May 2022 See More Word History
First Known Use
1899, in the meaning defined above