TOEFL (vocabulary) synonym/antonym practice test 19 of 31

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Question 1 of 10: Identify the synonyms/antonyms of "enigma".

1. mystification

2. mystery

3. puzzler

4. conundrum

5. teaser

6. clarity

7. parable

8. cryptogram

9. Gordian knot

10. knot

11. mind-twister

12. cliffhanger

13. definiteness

14. crux

15. certainty

16. perplexity

17. puzzle

18. problem

19. riddle

20. question mark

21. grabber

22. secret

23. bewilderment

24. lucidity

25. puzzlement

26. sphinx

27. sixty-four dollar question

28. explicitness

29. question

30. clearness

31. s

32. mind-boggler

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