All Words synonym/antonym practice test 24 of 42

HOW TO PRACTISE: There is a practice question below. Select one of the options and you will immediately see the result. Next, click on the golden "Next Question" button at the bottom of the result. This way questions will appear one after another.


Score: N/A

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


1. failure

2. powerlessness

3. capacity

4. potency

5. inadequacy

6. efficiency

7. efficaciousness

8. vigour

9. effectiveness

10. inability

11. ability

12. idleness

13. effect

14. adequacy

15. inefficiency

16. ineffectualness

17. strength

18. impotence

19. influence

20. vigor

21. force

22. unproductiveness

23. power

24. inefficacy

25. weakness

26. ineffectuality

27. weight

28. lethargy

29. sufficiency

30. success

31. competence

32. virtue

33. ineffectiveness

34. energy

35. performance

36. use

37. incapacity

38. capability

39. enervation

40. capableness

41. incompetence

42. inactivity

43. uselessness

Edit synonym | Edit antonym