noun |
adj |
verb |
adv |
(adj) mercurial, erratic, quicksilver
liable to sudden unpredictable change
erratic behavior; fickle weather; mercurial twists of temperament; a quicksilver character, cool and willful at one moment, utterly fragile the next
(adj) volatile
marked by erratic changeableness in affections or attachments
fickle friends; a flirt's volatile affections