Of a fiery, mercurial disposition, his temper flew in a moment.
He is of that deep, mercurial disposition that attracts women.
The champagne was bubbling trickily in the veins of the mercurial statesmen.
Vidi, measures approximately, but not with the permanence of the mercurial.
He took iodide of potassium for a time after his mercurial course.
He was not a mercurial ...