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opposition

n.
US //ˌɑpəˈzɪʃən// UK //ˌɒpəzˈɪʃən// op·po·si·tion
  1. 1 disagreement or resistance (n.)
    B2 Upper Intermediate

    strong disagreement with a plan, idea, or person.

    the action of resisting or disagreeing with a proposal, policy, or person. Often used with the preposition 'to'.

    Example

    The new tax met with strong opposition from local business owners.

    Example

    The proposed development faced fierce opposition from environmental groups, who argued that the construction would destroy a vital local ecosystem.

  2. 2 political rivals (n.)
    B2 Upper Intermediate Politics

    the political parties that are not in power and disagree with the government.

    the main political party or group of parties that is not in government and opposes its policies.

    Example

    The leader of the opposition criticized the prime minister's new health policy.

    Example

    After the election, the former ruling party found itself in opposition, struggling to maintain a unified voice against the new administration's reforms.

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  1. 3 contrast or opposite (n.)
    C1 Advanced Academic

    a state of being completely different or opposite to something else.

    a state of contrast or antithesis between two things.

    Example

    There is a clear opposition between his words and his actions.

    Example

    The author explores the binary opposition between urban decay and rural innocence throughout the first half of the novel.

  2. 4 astronomical alignment (n.)
    C2 Proficiency Technical Science

    when two planets or stars are on opposite sides of the Earth.

    the position of two celestial bodies when they are 180 degrees apart as viewed from Earth.

    Example

    Mars is in opposition this month, making it look very bright in the night sky.

    Example

    During opposition, a planet is at its closest point to Earth, providing astronomers with an ideal window for high-resolution observation.

  3. 5 legal challenge (n.)
    C1 Advanced Technical Law

    a formal process to stop a trademark or patent from being registered.

    a formal proceeding in intellectual property law where a party seeks to prevent the registration of a trademark or patent.

    Example

    The company filed an opposition to prevent their rival from using a similar logo.

    Example

    The legal team prepared a formal notice of opposition, citing several prior registrations that would likely cause consumer confusion.

Origin

From Middle English opposicioun, from Old French oposicion (whence French opposition), from Late Latin oppositiō, translating Ancient Greek ἀντίθεσις (antíthesis), from the past participle stem of classical Latin oppōnō (“I set against”). Equivalent to oppose + -ition.

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