Thus, anthropologist Joan Vincent observed that ethnic boundaries often have a mercurial character.

Gardiner stressed Cromwell's dynamic and mercurial character, and his role in dismantling absolute monarchy, while underestimating Cromwell's religious conviction.

Larry MacPhail was a legend-a boisterous, mercurial character with a huge voice and an ego to match.

David's mercurial character, Saavik thought, was not ready to forgive what had passed between him and the admiral.

Both Detective Logan and Mr. Noth represent talented, mercurial characters tempered by forces beyond their control.

He was sharp and often funny, willing to see absurdities in an industry built on fantasy and populated with mercurial characters.

To do justice to his mercurial characters, Mr. Lewin skimps on procedures and dawdles over the mystery's simple resolution.

During their 65-year marriage, Jessie was "shrewd, reliable, selfless, and above all, uncomplicated ... she was the perfect foil to his concentrated, and occasionally mercurial character".

It is named for the Yoruba god Elegba, a tetchy, mercurial character, manipulator of destiny and chance and guardian of crossroads and doorways.

Between these two mercurial characters, Robert Tunstall's Blair provides the perfect foil as the Oxbridge graduate firmly rooted in objective reality.