He has mercurial temperment.
His mercurial disposition ultimately displaced him from his advisory posting.
The boys anger was mercurial I had to tackle him down.
Mercurial is mood swings: The mercurial patient had mood swings frequently.
His mercurial behavior prevented him from holding on to any new employment for more than a few weeks.
We bought a mercurial barometer to help predict the weather.Her mercurial temperment made her an exciting actress to watch.It is hard to find a mercurial thermometer any more.
Since becoming an adolescent, my daughter's personality has become very mercurial, you never know how she'll react to something.
The hail storm proved to be quite tempestuous. His wildly mercurial mood swings make his temper dangerously tempestuous. Our romance was short-lived but tempestuous.
Mercurial and mercury
An antonyms of mercurial is unchanging.
The adjective form of "mercury" is "mercurial."
Mercurial Manoeuvres was created in 2000.
Mercurial was created on 2005-04-19.