adj.
Pronunciation: ( ˌ )m ə r- ' kyu ̇ r- ē - ə l
Function: adjective
Date: 14th century
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 <a mercurial temper>
4 : of, relating to, containing, or caused by mercury
synonyms see INCONSTANT
– mer · cu · ri · al · ly \ - ē - ə -l ē \ adverb
– mer · cu · ri · al · ness noun