mercurial
mer-cu-ri-al
adjective
Prone to sudden, unpredictable changes in mood, character, or mind.
"His mercurial temperament made him difficult."
Thesaurus
Synonyms: changeable, quicksilver, changeful, erratic, fickle
mer-cu-ri-al
Prone to sudden, unpredictable changes in mood, character, or mind.
"His mercurial temperament made him difficult."
Synonyms: changeable, quicksilver, changeful, erratic, fickle