opposition; exact opposite
Her actions were the antithesis of her stated values.
Vocabulary like antithesis 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.
hostility; a state of deep-seated ill-will
predecessor; someone from whom you are descended (but usually more remote than a grandparent)
expect or prepare for something
letdown; a disappointing decline after a previous rise
cure; a remedy that stops or controls the effects of a poison
hatred; a feeling of intense dislike
out-of-date; obsolete or old-fashioned
decontaminator; thoroughly clean and free of or destructive to disease-causing organisms