Prefix "un" 

  Word 12A  

un_

A prefix is at
the beginning
of a word. The
prefix "un"
means "not."

unhappy

Add "un" to make a new word that means not.

1.  not clean
 unclean

2. not bent
________

3. not zip
________

4. not safe
________

13

5. not lucky
________

6. not clear
________