allied Meaning, Definition & Usage

1. verb become an ally or associate, as by a treaty or marriage
   ally.
   
   • He allied himself with the Communists
2. adjective satellite related by common characteristics or ancestry
   
   • allied species
   • allied studies
3. adjective of or relating to or denoting the Allies in World War II
   
   • an Allied victory
   • the Allied armies
4. adjective of or relating to or denoting the Allies in World War I
   
   • an allied offensive
   • the Allied powers
5. adjective satellite united in a confederacy or league
   confederative; confederate.
   
6. adjective satellite joined by treaty or agreement
   

WordNet