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

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


1. mind-twister

2. lucidity

3. mystification

4. puzzlement

5. perplexity

6. bewilderment

7. Gordian knot

8. question

9. teaser

10. problem

11. mystery

12. clarity

13. sphinx

14. certainty

15. explicitness

16. cryptogram

17. crux

18. puzzle

19. riddle

20. cliffhanger

21. definiteness

22. parable

23. knot

24. mind-boggler

25. sixty-four dollar question

26. secret

27. s

28. grabber

29. conundrum

30. clearness

31. question mark

32. puzzler

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