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    crucial

    US /ˈkruʃəl/

    UK /'kru:ʃl/

    • Adjective
    • Extremely important or necessary
    • Of great importance to the success of something.
    vulnerability

    US /ˌvʌlnərə'bɪlətɪ/

    UK /ˌvʌlnərə'bɪlətɪ/

    • Uncountable Noun
    • Being weak and able to be easily hurt or damaged
    • A weakness or flaw that makes something susceptible to harm or damage.
    constant

    US /ˈkɑnstənt/

    UK /'kɒnstənt/

    • Adjective
    • Happening frequently or without pause
    • Remaining the same over time or not changing.
    • Noun
    • Thing that happens always or at a regular rate
    • A physical quantity that is believed to have a fixed value and is used in calculations.
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    properly

    US /ˈprɑːpərli/

    UK /ˈprɔpəlɪ/

    • Adverb
    • In an appropriate or correct manner
    • In a way that is suitable or appropriate.
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