A prefix goes at the beginning of a word and changes it's meaning. There are a number of different prefixes.

This prefix is used to make opposites.

Make these words opposites by adding un-

1. happy
2. safe
3. healthy
4. pleasant
5. easy
6. truthful
7. tidy
8. lucky

Using the words you have created in task one, copy and complete these sentences.

1. A person who tells lies is.....
2. A classroom that is not neat is .....
3. A person that worries a lot is ......
4. Someone who is miserable is ......
5. Something that is not nice to look at is ......
6. A person who doesn't feel well is .....
7. To walk under a ladder is considered ......
8. Bare wires sticking out from a plug are .....

This is usually used to show a reversal in an action or state.

Make new words by adding dis-

1. appear
2. loyal
3. array
4. agree
5. continue
6. infect

Use a dictionary to look up the words you have found in task three and write down a brief definition in your book.

For example: Dishonour means to treat without honour.