Pronunciation: (āl'yu-nāt", ā'lē-u-),[key] —v.t.,-at•ed, -at•ing. 1. to make indifferent or hostile: He has alienated his entire family. 2. to turn away; transfer or divert: to alienate funds from their intended purpose. 3. Law.to transfer or convey, as title, property, or other right, to another: to alienate lands.