Direct Opposites:
* Hot - Cold
* Up - Down
* Good - Bad
* Happy - Sad
* Light - Dark
* Big - Small
* Strong - Weak
* Fast - Slow
* Rich - Poor
* Love - Hate
Complementary Pairs:
* On - Off
* Open - Closed
* Alive - Dead
* Male - Female
* Right - Wrong
* Yes - No
* Day - Night
Gradable Antonyms:
* Hot - Warm - Cold
* Big - Large - Small
* Beautiful - Pretty - Ugly
* Fast - Quick - Slow
* Expensive - Costly - Cheap
* Happy - Joyful - Sad
Relational Antonyms:
* Teacher - Student
* Buyer - Seller
* Employer - Employee
* Husband - Wife
* Parent - Child
Converse Antonyms:
* Give - Receive
* Buy - Sell
* Above - Below
* Before - After
* Push - Pull
Note: Some words have multiple antonyms depending on the context. For example, the antonym of "good" could be "bad" or "evil," depending on the specific meaning.
It's important to remember that the meaning of words can be nuanced and there are many other types of relationships between words beyond simple antonyms.