Prefix

What is a Prefix ?

  • A prefix is a group of letters placed before the root of a word.
  • For example -  the word “unhappy” consists of the prefix “un-” [which means “not”] combined with the root (or stem) word “happy”; the word “unhappy” means “not happy.”

A short list of prefixes:

 Prefix   Meaning     
  Examples
   
 de-  from, down, away, reverse, opposite  decode, decrease
 dis- 
  not, opposite, reverse, away  disagree, disappear
 ex-   
  out of, away from, lacking, former exhale, explosion
 il-  not  
 illegal, illogical
 im-   not, without 
 impossible, improper
 in-  not, without  inaction, invisible
  mis- 
  bad, wrong 
 mislead, misplace
 non-   not      nonfiction, nonsense
 pre-   
 before 
 prefix, prehistory
 pro- for, forward, before  
 proactive, profess, program
 re-   again, back 
 react, reappear
 un- 
 against, not, opposite 
 undo, unequal, unusual

Q) Complete each sentence using correct prefix from the list given below.

preheat underwater misbehave unable   return dishonest unwrap untied

1 Mom said I had to wait until my birthday to_________________my presents.

2.We had to______________________the oven before we could put the cookies in.

3.John forgot his backpack and hod to_________________home to get it.

4 Ashton wos sod because she was___________________to get tickets for the concert

5.Jakob almost fell down because his shoelaces were_____________.

6.Tasha can swim________________________for over I minute.

7 Sherry was being___________________when she did not tell the truth.

6. Our teacher told us to not________________________on the field trip.