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The definition of mercurial

4 Definitions of: mercurial

    1. adjective, of, like, containing, or relating to mercury
    2. adjective, volatile; lively
    3. adjective, of, like, or relating to the god or the planet Mercury
    4. noun, med any salt of mercury for use as a medicine
    5. Show me some examples of this word: mercurial
    6. Show me the etymology of the word: mercurial

From Collins