<p><strong>Noun</strong></p><ul><li>the policy of extending the rule or authority of an empire or nation over foreign countries, or of acquiring and holding colonies and dependencies</li><li>advocacy of imperial or sovereign interests over the interests of the dependent states</li><li>imperial government; rule by an emperor or empress</li><li>an imperial system of government</li><li>the policy of uniting the separate parts of an empire with separate governments to secure a single state for certain purposes</li></ul>