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Most common C2 words · 1

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Understand each item before testing yourself. Choose honestly whether it already feels familiar or needs practice.

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abstruse

/əbˈstruːs/

Difficult to understand because it is complex or highly specialized.

Example

The article became so abstruse that only specialists could follow the argument.

Vocabulary in this set

Learn high-frequency C2 words for everyday understanding and conversation.

  1. abstruse

    Word

    /əbˈstruːs/

    Difficult to understand because it is complex or highly specialized.

    The article became so abstruse that only specialists could follow the argument.

  2. acquiesce

    Word

    /ˌækwiˈɛs/

    To accept something reluctantly but without protest.

    The committee eventually acquiesced to the revised proposal.

  3. adamant

    Word

    /ˈædəmənt/

    Refusing to change an opinion or decision.

    She remained adamant that the evidence had been misinterpreted.

  4. ameliorate

    Word

    /əˈmiːljəˌreɪt/

    To make a bad or difficult situation better.

    The new measures were introduced to ameliorate overcrowding in the city.

  5. anachronistic

    Word

    /əˌnækrəˈnɪstɪk/

    Belonging to a different period and therefore seeming out of place.

    The policy now seems anachronistic in a digital economy.

  6. antipathy

    Word

    /ænˈtɪpəθi/

    A strong feeling of dislike or opposition.

    His antipathy toward bureaucracy shaped many of his decisions.

  7. assiduous

    Word

    /əˈsɪdʒuəs/

    Showing great care, attention and persistent effort.

    Her assiduous research uncovered several errors in the original study.

  8. austere

    Word

    /ɔːˈstɪr/

    Severely simple, strict or without comfort or decoration.

    The monastery's austere interior reflected its founders' values.

  9. avaricious

    Word

    /ˌævəˈrɪʃəs/

    Having an extreme desire for wealth or material gain.

    The novel portrays the landlord as an avaricious and ruthless figure.

  10. bellicose

    Word

    /ˈbɛlɪˌkoʊs/

    Showing aggression and a willingness to fight or argue.

    The minister's bellicose rhetoric increased tensions between the two countries.

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