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504 Absolutely Essential Words – Unit 20; Learn the words and their definitions. Do the exercises. Make up your own stories using the new words of Unit 16.

  1. emerge-come out; come up; come into view
  2. jagged-with sharp points sticking out; unevenly cut or torn
  3. linger-stay on;go slowly as if unwilling to leave
  4. ambush-a trap in which soldiers or other enemies hide to make a surprise attack
  5. crafty-skillful in deceiving others; sly; tricky
  6. defiant- openly resisting; challenging
  7. vigor-active strength or force
  8. perish-be destroyed; die
  9. fragile- easily broken, damaged,or destroyed;delicate

Place one of the new words in each of the blanks below.

  1. if we do not do something about pollution, we may perish from this earth.
  2. The jagged edge of that sheet of metal is very dangerous.
  3. We were held captive by the sinister enemy for ten years
  4. The bank teller’s crafty plan to steal a million dollars didn’t succeed.
  5. I like to linger on until everyone else has left the theater.
  6. My parents taught me not to be defiant of authority.
  7. Did the ambush of the Lebanese soldiers fail?
  8. Business persons can prosper if they are honest with their customers.
  9. A new star has just emerged from the rock music world.
  10. I can devour a steak in two minutes when i am hungry.
  11. With a surprising show of vigor, the old woman swam up and down the pool six times!
  12. A lack of calcium in Tyrone’s dies caused his bones to be quite fragile.

Circle the word that most nearly expresses the opposite meaning of the word printed in blue.

  1. go back
  2. free to leave
  3. openly attack
  4. sturdy
  5. leave untouched
  6. smooth edged
  7. willing to obey
  8. leave quickly
  9. lack of strength
  10. honest
  11. be unsuccessful
  12. live
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