In this lesson, you will learn the six most common prefixes used in spoken English. What’s a prefix? A prefix is a letter or group of letters, for example un- or re- which is added to the beginning of a word in order to form a different word. For example, the prefix un is added to happy to form the word unhappy. The prefix re is added to view to form the word review.
The most common English prefixes used in English conversation are the following prefixes: un, re, in, im, ir, and il. The meaning of the prefix un is not, or the opposite of. The prefix re has two meanings. The first meaning is again or to make new while the second meaning is backwards or back. The last set of prefixes are in, im, ir, which all mean not, so they have a negative meaning.
Time Stamps
0:00 - Intro
0:29 - What's a prefix?
0:45 - Words using the prefix UN
1:51 - Words using the prefix RE
4:34 - Words using the prefixes IM, IN, IR, and IL
9:12 - Lesson Review
Here is a list of common words that use these prefixes.
UN:
1. unhappy
2. unbelievable
3. unwanted
4. undecided
5. unthinkable
6. unpack
7. unnecessary
8. unaffordable
9. unnoticed
10. undesirable
RE:
11. rebuild
12. recall
13. regift
14. redo
15. review
16. reflect
17. regain
18. retold
19. remarry
20. relive
IM:
21. impossible
22. immature
23. imbalance
IN:
24. inability
25. inactive
26. inaccurate
27. incorrect
28. incapable
29. incomplete
30. inappropriate
IR:
31. irregular
32. irresponsible
33. irrelevant
34. irresistible
35. irreversible
36. irrational
Studying and learning these common prefixes will help English language learners build their vocabulary. Also, it can help ESL students become better able to comprehend or even guess the meaning of new words.
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