English Reference
noun · adjective

dissident

n. · adj.
US /ˈdɪsədənt/ UK /dˈɪsɪdənt/ dis·si·dent UK spelling dissident's, dissident's

  1. 01 C2 Proficiency Formal Religion

    n.a person who separates from or disagrees with the main, established church of their country.

    n.one who disagrees with or separates from an established religious body or orthodoxy.

    Simple

    In the past, many dissidents left the country to practice their religion freely.

    In context

    The seventeenth-century dissidents faced heavy fines and social exclusion for refusing to attend the services of the state church.

    nonconformistschismatic
    conformist
  2. 02 C1 Advanced Formal

    adj.describing a person or group that disagrees with the official rules or government.

    adj.characterised by disagreement or opposition to an established political or social authority.

    Simple

    The dissident group refused to follow the new laws passed by the council.

    In context

    The publication of dissident views was strictly prohibited under the new censorship laws introduced by the military junta.

  3. 03 C2 Proficiency British EnglishDialect

    n.a member of a group that continues to use violence even after a peace agreement has been signed.

    n.a member of a paramilitary group that rejects a ceasefire or peace settlement, specifically in the context of Northern Ireland.

    Simple

    Police are investigating a recent attack believed to be carried out by dissidents.

    In context

    Security forces remained on high alert following threats from dissident factions who refused to recognise the legitimacy of the peace treaty.

    Usage

    Commonly used in Irish and British news media to refer to groups opposing the Good Friday Agreement.

He has already sent assassins to poison Russian dissidents on UK territory including the murder in 2006 of Alexander Litvinenko, killed with radioactive tea.

The Guardian· 24 Aug 2026

Over the next three decades, HKA called on authorities to accept responsibility for the crackdown, free dissidents and introduce democratic reform.

BBC News· 21 Aug 2026

From Latin dissidēns, present participle of dissideō (“to sit apart; to disagree”), from dis- (“asunder, apart, in two”) + sedeō (“to sit”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin dissidēns
Level C1 · Advanced
Frequency Occasional
Updated