write the opposites

Certainly! Here are a few examples of opposites (antonyms):

1. Hot - Cold
2. Light - Dark
3. Happy - Sad
4. Big - Small
5. Fast - Slow
6. Up - Down
7. Open - Closed
8. Rich - Poor
9. Easy - Difficult
10. Young - Old

If you have specific words in mind or need a different set of opposites, please let me know!