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    permanent

    US /ˈpɚmənənt/

    UK /'pɜ:mənənt/

    • Adjective
    • Lasting forever; not temporary or changing
    • Intended to last or remain for an unlimited period
    • Noun
    • A person who is a permanent employee.
    • A chemical treatment to create lasting curls or waves in the hair.
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    negative

    US /ˈnɛɡətɪv/

    UK /'neɡətɪv/

    • Noun
    • The opposite to a positive electrical charge
    • In grammar, containing words such as 'no' or 'not'
    • Adjective
    • Being harmful, unwanted or unhelpful
    • In mathematics, being less than zero
    sustainable

    US /səˈsteɪnəbl/

    UK /səˈsteɪnəbl/

    • Adjective
    • Capable of continuing for a long time
    • Able to be maintained without running out of
    force

    US /fɔrs, fors/

    UK /fɔ:s/

    • Noun
    • Group of persons trained for military action; army
    • Pressure; attraction
    • Transitive Verb
    • To use physical strength or violence to persuade
    • To break open (something) using force.
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