What is the opposite to a synonym?

Related questions

1. Does anyways exist?
2. How do you use whereas in a sentence?
3. What does popular opinion mean?
4. What is a rude word?
5. Why is anyways incorrect?
6. What is diversity in simple words?
7. What exactly is critical thinking?
8. What is contradicting yourself mean?
9. What kind of conjunction is Whereas?
10. Which is correct grammar goodnight or good night?

Tags

1. #diametrically
2. #antipodal
3. #diametric
4. #antonymic
5. #antithetical
6. #polar
7. #reverse
8. #antipode
9. #antonymous
10. #which
11. #counter
12. #antithesis
13. #contradictory
14. #another
15. #diametrical
16. #antipodean
17. #antonym
18. #opposed
19. #support
20. #opposing
21. #antipodes
22. #converse2
23. #contrary