highly unpredictable
His mercurial mood swings made him difficult to manage.
Vocabulary like mercurial appears on the Digital SAT in Words-in-Context questions, where you choose the word that fits a passage's meaning and tone. You can also drill this word with vocabulary flashcards.
help settle a disagreement
average and unimpressive
profound thought; continuous contemplation on a deep subject
mild; humble in spirit or manner; suggesting retiring mildness or even cowed submissiveness
smooth and sweet sounding; pleasing to the ear
pleasant sounding
untruthful; given to lying
soldier of fortune; a person hired to fight for another country than their own
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