Antonyms:
* Definition: Words that have opposite meanings.
* Example:
* Hot and Cold
* Up and Down
* Happy and Sad
Synonyms:
* Definition: Words that have similar meanings.
* Example:
* Happy and Joyful
* Big and Large
* Brave and Courageous
In simple terms:
* Antonyms are opposites. Think of them as being on opposite ends of a spectrum.
* Synonyms are like different shades of the same color. They express the same general meaning, but with slightly different nuances.
Let me know if you'd like more examples or have any other questions!