Fill in the Blanks Un- Prefix Fill in the BlanksOnline version A fun game to test your knowledge of words with the un- prefix and their opposite meanings. by Cynthia Joseph 1 untie nouns undo verbs prefix un opposite meaning adjectives negate happy common prefix unlock reverse unkind The - is added to the beginning of a word to give it the . For example , the word becomes unhappy when the prefix un - is added . Similarly , the word kind becomes . The prefix un - is used to or the meaning of a word . It is a in English and is used to create words like , , and . The prefix un - can be added to various parts of speech , including , , and . 2 unearthing unusual unhappily unfair unhitched unskilled unbounded unable unlucky unwrapped unrest It was an night for our family . We had a sense of as a storm raged around us . We were to fall asleep for a long time . When we finally did , we were soon woken up by an event . The wind had ripped a tree from the ground , it ? s roots and blowing it into our house . We couldn ? t do anything about it in the dark so we went back to bed until morning . In the daylight , we looked around our neighborhood and though how it was that only our house was damaged . My dad some limbs from around the porch but was at using a chainsaw to cut tree branches . A neighbor his horse and tied large ropes to the horse ? s harness so it could draw the tree away . After the horse did the job , our neighbor the horse and we gave it lots of apples and carrots .