Lesson 1
Senior Vocabulary

  1. adroit  adj.  skillful, clever
    Everyone knew that he was adroit with figures, but he lacked the facility for public speaking.
    syn: dexterous; apt       ant: clumsy, awkward


  2. adulterate verb to make impure, to contaminate
                      adj. impure
    The fumes from the automobiles adulterate the air.
    The police were concerned about all the adulterated drugs on the street.
    ant: refine; refined


  3. adventitious adj. accidental, nonessential
    The scientists announced the breakthrough at a press conference and admitted that it had been an adventitious outcome.
    syn: incidental


  4. aegis noun a shield; protection, sponsorship
    The candidate felt he had a change in the election because of the aegis of a former officeholder.
    syn: backing


  5. aesthetic adj. pertaining to beauty
    The house was a bargain financially, but it lacked any aesthetic quality.
    syn: artistic


  6. affectation noun a phony attitude; pose
    John felt that the outspoken Ruth was the only girl there who did not have any affections.
    syn: insincerity; pose; sham       ant: sincerity, genuineness


  7. affinity noun an attraction to
    The young man had an affinity for fast cars and easy money.
    syn: partiality, fondness       ant: aversion


  8. affluence noun wealth; richness
    Although Paul's family had much affluence, he was content to make do without their help.
    syn: abundance        ant: impoverished, destitute


  9. agape adj. open-mouthed; surprised; agog
    Even the judge was agape when the witness told the ridiculous story in court.


  10. aggrandize verb to enlarge or to expand
    Much of what they did was not to aid their country but to aggrandize their own positions.
    syn: increase, augment, enrich       ant: decrease, diminish


  11. altruism noun a concern for others; generosity
    Ben's altruism was apparent as he stopped at the scene of the accident to offer his assistance.
    syn: unselfishness, magnanimity         ant: selfishness, egoism


  12. ambiguous adj. open to more than one interpretation
    The candidate's ambiguous comments tended to confuse the issue even more.
    syn: unclear, uncertain, vague          ant: explicit, definite


  13. amoral adj. lacking a sense of right and wrong
    Although a greedy man, he was not amoral; there were some things he would not do for money.


  14. amorphous adj. shapeless, formless, vague
    Although the essay was due in two days, john couldn't get a handle on the topic, which remained amorphous to his mind.


  15. animosity noun hatred
    There was a general feeling of animosity toward the judge for giving the boys such a harsh sentence.
    syn: ill-will, hostility      ant: friendliness, congeniality