Antonyms are words that means the opposite. Their meanings are as different as possible from each other.
![antonym and synonyms](http://studyassistant.org/wp-content/uploads/2019/01/loaves.jpg)
Example: The bread is hot.
![](http://studyassistant.org/wp-content/uploads/2019/02/ice-cream.png)
Example: The ice cream is cold.
An antonym for hot is cold. Other words are icy, freezing, snowy, frigid, etc.
The opposite of certain words can be formed by adding a prefix, such as un, in, im, or dis.
Here are some opposites you should know.
![](http://studyassistant.org/wp-content/uploads/2019/02/opposites.png)
Synonyms are words that have similar meanings. Understanding the small differences in meaning will keep you from using words incorrectly. We can improve our writing by choosing a more effective word.
![This image has an empty alt attribute; its file name is eating.png](http://studyassistant.org/wp-content/uploads/2019/02/eating.png)
Example: Martha and John had a nice lunch.
Example: Martha and John had a delicious lunch.
![This image has an empty alt attribute; its file name is music.png](http://studyassistant.org/wp-content/uploads/2019/02/music.png)
Example: Music makes Sam happy.
Example: Music makes Sam cheerful.
Here is a list of some synonyms you should know.
![This image has an empty alt attribute; its file name is synonyms-2.png](http://studyassistant.org/wp-content/uploads/2019/02/synonyms-2.png)