1. (noun) a member of the Union Army during the American Civil War

• federal soldier
• union soldier

2. (noun) any federal law-enforcement officer

• fed
• federal official

3. (adjective) being of or having to do with the northern United States and those loyal to the Union during the American Civil War

• union

1. (adjective) characterized by or constituting a form of government in which power is divided between one central and several regional authorities

• administration
• governance
• governing
• government
• government activity

1. (noun) a member of the Union Army during the American Civil War

• northerner
• yank
• yankee

2. (noun) any federal law-enforcement officer

• agent
• federal agent

1. (adjective) national; especially in reference to the government of the United States as distinct from that of its member units

• national

2. (adjective) being of or having to do with the northern United States and those loyal to the Union during the American Civil War

• northern

1. (adjective) of or relating to the central government of a federation

• federal government

1. (noun) a member of the Union Army during the American Civil War

• union

2. (adjective) being of or having to do with the northern United States and those loyal to the Union during the American Civil War

• federal soldier
• union soldier

1. (adjective) characterized by or constituting a form of government in which power is divided between one central and several regional authorities

• unitary