Prefixes are a really common part of the English language - and if you learn how to use them, it's a great way to boost your vocabulary. In fact, you may already be using words, without even realizing that you are using them! Ex: unbelievable or ex-boyfriend! So here you will see the opposites of adjectives by adding prefixes.
The opposites of adjectives with prefixes
We can add the prefixes that are placed before the stem of the word to the adjectives to form new words, the following are used to form the opposite of adjectives by adding prefixes, examples:
1. un
- Adjective: Sarah is a married woman.
- Opposite: Sarah is an unmarried woman.
2. il
- Adjective: This is a legal activity.
- Opposite: That is an illegal activity.
3. im
- Adjective: This is a polite boy.
- Opposite: That is an impolite boy.
4. in
- Adjective: This is a direct object.
- Opposite: That is an indirect object.
5. ir
- Adjective: This is a regular verb.
- Opposite: That is an irregular verb.
6. non
- Adjective: This is a returnable bottle.
- Opposite: That is a non-returnable bottle.
Note: In American English it is written as (non-returnable) in British English it is written as (non-returnable).
7. a
- Adjective: This is a cyclic graph.
- Opposite: That is an acyclic graph.
8. ab
- Adjective: This is a normal day.
- Opposite: That is an abnormal day.
9. anti
- Adjective: This is social behaviour.
- Opposite: That is antisocial behaviour.
10. counter
- Adjective: This wheel rotates in clockwise direction.
- Opposite: That wheel rotates in counterclockwise direction.
11. de
- Adjective: This is a coded warning.
- Opposite: That is a decoded warning.