To best derive an adjective from the noun Apartheid, whether tidily or otherwise, use:
01. Apartheidy
02. Apartheidal
03. Apartheided
04. Apartheider
05. Apartheidic
06. Apartheidly
07. Apartheific
08. Apartheidful
09. Apartheistic
10. Apartheidish
11. Apartheidist
12. Apartheistic
13. Apartheidened
14. Apartheidicky
15. Apartheiderine
16. Apartheiderist
17. Apartheidistic
18. Apartheistical
19. Apartheidickish
20. Apartheideristic
21. Apartheideristical