Fill in negative prefixes to form the OPPOSITE of each of the adjectives below. In some
cases, more than one pre-fix is possible.

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To form the opposite of each adjective below, we need to add a negative prefix. A prefix is a group of letters that we add to the beginning of a word to change its meaning. The common negative prefixes are: un-, in-, il-, im-, ir-, dis-, non-.

1. Polite - impolite. The negative prefix "im-" can be added to the word "polite" to form its opposite, which means not showing good manners or being rude.

2. Happy - unhappy. The negative prefix "un-" can be added to the word "happy" to form its opposite, which means not feeling joy or sadness.

3. Believable - unbelievable. The negative prefix "un-" can be added to the word "believable" to form its opposite, which means not able to be trusted or believed.

4. Tidy - untidy. The negative prefix "un-" can be added to the word "tidy" to form its opposite, which means not clean or organized.

5. Satisfied - dissatisfied. The negative prefix "dis-" can be added to the word "satisfied" to form its opposite, which means not feeling content or pleased.

6. Legal - illegal. The negative prefix "il-" can be added to the word "legal" to form its opposite, which means not allowed by the law.

7. Mature - immature. The negative prefix "im-" can be added to the word "mature" to form its opposite, which means not fully developed or grown.

8. Rational - irrational. The negative prefix "ir-" can be added to the word "rational" to form its opposite, which means not based on reason or logic.

9. Respectful - disrespectful. The negative prefix "dis-" can be added to the word "respectful" to form its opposite, which means not showing respect or courtesy.

10. Active - inactive. The negative prefix "in-" can be added to the word "active" to form its opposite, which means not engaged or participating.

Remember, adding a negative prefix changes the meaning of the adjective to its opposite. It's important to understand the meaning of these negative prefixes and when to use them in order to form the correct word.