Meaning : Related by common characteristics or ancestry.
Example :
Allied species.
Allied studies.
Meaning : Of or relating to or denoting the Allies in World War II.
Example :
An Allied victory.
The Allied armies.
Meaning : Of or relating to or denoting the Allies in World War I.
Example :
An allied offensive.
The Allied powers.
Meaning : United in a confederacy or league.
Synonyms : confederate, confederative
Meaning : Joined by treaty or agreement.