DictionarycopperheadNorthern opponent of the Civil War
noun

copperhead

A Northerner who opposed the Union's war effort during the American Civil War.

The novel portrays a copperhead who opposes the Union's war effort.

Etymology

Copperhead first names a snake with a copper-colored head. During the American Civil War, opponents applied the snake’s name to Northern antiwar Democrats as an accusation of dangerous disloyalty.

More examples

  • Union supporters accused the newspaper's editor of being a copperhead.
  • Many copperheads called for a negotiated peace with the Confederacy.
  • Her lecture examines why some Northerners became copperheads during the Civil War.

Forms

copperhead · copperheads

Similar words

dissenter
Describes disagreement generally, not specifically opposition to the Union's war.
opponent
Names anyone resisting a policy, cause, or person.