Webster's English Dictionary

Enter the word to look up:

mercurial

Cross references:
  1. inconstant            
 
1. mer.cu.ri.al \(.)m*r-'kyu.r-e--*l\ \-e--*-le-\ aj [mercury + -al] 1: of, 
   relating to, or born under the planet Mercury  2: having qualities of 
   eloquence, ingenuity, or thievishness attributed to  the god Mercury or to 
   the influence of the planet Mercury 3: characterized by rapid and 
   unpredictable changeableness of mood  4: of, relating to, containing, or 
   caused by mercury  - mer.cu.ri.al.ly av
2. mercurial n : a pharmaceutical or chemical containing mercury