- to unite formally, as by treaty, league, marriage, or the like (usually followed by with or to): Russia allied itself to France.
- to associate or connect by some mutual relationship, as resemblance or friendship.
- to enter into an alliance; join; unite.
- a person, group, or nation that is associated with another or others for some common cause or purpose: Canada and the United States were allies in World War II.
- Biology. a plant, animal, or other organism bearing an evolutionary relationship to another, often as a member of the same family: The squash is an ally of the watermelon.
- a person who associates or cooperates with another; supporter.
Origin of ally
SynonymsSee more synonyms for ally on Thesaurus.com
Examples from the Web for allying
News stories like this one at Vox expressed the consensus view that we were now allying with Assad.Is Obama Done Playing Footsie With Assad?
November 17, 2014
Allying themselves with the Shiite militant group Hezbollah, some Lebanese Christians are standing their ground against ISIS.Lebanese Christians Gun Up Against ISIS
November 10, 2014
By allying himself with Iran hawks, Obama is getting the Iran-Syria dynamic exactly wrong.Iran, Assad, and Obama’s Quagmire
September 9, 2013
On the other hand, it has restored drooping public support in allied countries for the idea of allying with Washington.Obama as Hardheaded Liberal
Michael Fullilove, Steven Casey
August 27, 2011
It was no wonder he stopped short of allying himself with the family.Lord Ormont and his Aminta, Complete
Allying himself with the city party, he had crushed the nobles.The Rise of the Dutch Republic, Volume I.(of III) 1555-66
John Lothrop Motley
I do not understand allyieg, unless it be ‘allying’ with the Irish.Ireland under the Tudors, Volume I (of II)
Mabel's keen on allying the various branches of garment workers.Comrade Yetta
Your council has been over hasty in allying itself with these speculators.The Waters of Edera
Louise de la Rame, a.k.a. Ouida
- to unite or be united, esp formally, as by treaty, confederation, or marriage
- (tr; usually passive) to connect or be related, as through being similar or compatible
- a country, person, or group allied with another
- a plant, animal, substance, etc, closely related to another in characteristics or form
Word Origin and History for allying
late 14c., "relative, kinsman," from ally (v.); mid-15c. in the sense of "one united with another by treaty or league."