Meaning of anti-unionism in English:

anti-unionism

Pronunciation /ˌantɪˈjuːnɪənɪz(ə)m/

noun

  • 1Politics
    Opposition to any of various political unions; the policy or principles of an anti-unionist group or party.

    Used originally to denote the movement opposed to the union of Great Britain and Ireland, and (later) to Northern Ireland remaining part of the United Kingdom; in the United States denoting opposition to the Union side during the American Civil War (1861–5). Compare "unionism", 2.

  • 2Opposition to the system, principles, or practice of trade unions.

Origin

Late 18th century. Partly from anti- + union + -ism.