1. Lesson 24
Prefixes

2. mislead to make someone believe something that is not true
The company misled hundreds of people into investing their money unwisely.

3. dismiss to send somebody away or allow to leave
The teacher dismissed the students.

4. insincere saying something you don’t really believe
His smile was insincere.

5. unable not having the skills or strength to do something
He was unable to move after the accident

6. indirect not going in a straight line
This plant prefers indirect sunlight.

7. mistreat to treat someone in a bad way.
He was mistreated by his friends.

8. disaster
a very bad accident
The hurricane was a disaster.

9. dishonest not being honest
We all knew that she was guilty of dishonesty.

10. insecure not confident about yourself
He's very insecure about his appearance.

11. unknown
not known
The owner of this bag was unknown.

12. incomplete not complete or finished
The teacher returned the incomplete homework.

13. unequal
not the same
The rooms are unequal in size.

14. unstable
wobbly
This table is unstable.

15. misspell
to spell a word wrong
He misspelled a word on his test.

16. disagree Have different opinions or argue
I disagree strongly with this idea.

17. informal not formal You should not come to work dressed
in an informal way.

18. discover to find something new
We are trying to discover the truth about his disappearance.

19. unwise showing lack of good judgement
I'm afraid I've made an unwise decision.

20. mislaid to put something in a place and then be unable to find it
I mislaid my jacket somewhere.

21. disgrace to lose other peoples respect
Your homework is an absolute disgrace.