mercurial

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mercurial

1. of, like, containing, or relating to mercury
2. of, like, or relating to the god or the planet Mercury
3. Med any salt of mercury for use as a medicine
References in periodicals archive ?
Obama's mercurialness has turned the compass needle for this week towards making a deal and evading a military strike.
And the quickness, the mercurialness of Shakespeare's language and the wit, can only be achieved at a certain clip.
However, Howley said: "France have that X-factor, that instinctiveness, that mercurialness, with players who can beat opposition defences on a sixpence.