1. An organization of people (or countries) involved in a pact or treaty
   "The country joined a new economic alliance";
   - coalition, alignment, alinement [non-standard]
    
2. A formal agreement establishing an association or alliance between nations or other groups to achieve a particular aim
   "The military alliance between the countries strengthened their defensive capabilities"
    
3. The state of being allied or confederated
   "The alliance between the two countries strengthened their position";
   - confederation
    
4. A connection based on kinship, marriage or common interest
   "the shifting alliances within a large family";
   - bond
    
5. The act of forming an alliance or confederation
   "The alliance of states led to the creation of a new country";
   - confederation

Derived forms: alliances

Type of: accord, coalition, connectedness, connection, connexion [Brit], group action, org [informal], organisation [Brit], organization, pact, treaty

Antonym: nonalignment

Encyclopedia: Alliance, Oh