What is it called when you say something but mean the opposite?

Related questions

1. What is it called when you say something that contradicts itself?
2. What is the meaning behind the Beatles song come together?
3. What does Transculturation mean?
4. Did the Beatles plagiarize?
5. Did paul McCartney and John Lennon fall out?
6. Is literally a Contronym?
7. Who did the original version of Come Together?
8. Who are the only Beatles alive?
9. What does it mean to come together?
10. Can any of the Beatles read music?

Tags

1. #ironically
2. #likewise
3. #irony
4. #employs
5. #though
6. #meaning
7. #intending
8. #another
9. #sneer
10. #convey
11. #usually
12. #speaking
13. #understand
14. #sarcasm
15. #nasty
16. #opposite
17. #literal
18. #words
19. #something