Allies are defined as two or more things that are similar or related to each other.
(noun)An example of studies which are allies are anthropology and sociology.
The definition of allies are two or more individuals, organizations, or countries who are working together toward the same purpose as a result of a mutual agreement.
(noun)An example of individuals who are allies are two friends playing a game against another team.
Allies refers to the countries that fought against German, Italy and Japan in World War II.
(noun)An example of a country that was part of the Allies in World War II is Great Britain.
See Allies in Webster's New World College Dictionary
plural noun
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