| Lesson 5 Vocabulary
& Prefixes |
| a |
+ |
typical |
= |
atypical |
not typical, different |
His behavior was atypical.
Usually he is a nice person. |
|
| a |
+ |
moral |
= |
amoral |
not moral or without morals |
The terrorists actions were amoral. Many
innocent people were killed. |
|
| in |
+ |
correct |
= |
incorrect |
not correct |
I got 5 incorrect answers out
of 100. That's 95%. |
|
| im |
+ |
possible |
= |
impossible |
not possible, can't be done |
It is impossible to turn rocks into diamonds. |
|
| ir |
+ |
reversible |
= |
irreversible |
cannot be changed |
Once the bullet is fired it
can't go back into the gun. It is irreversible. |
|
| un |
+ |
do |
= |
undo |
to do something that reverses what was done |
My shoelace is in a knot. I need to undo
it! |
|
| un |
+ |
able |
= |
unable |
not able to do something |
Svetlana was unable to come to
the meeting. She had a doctor's appointment. |
|
| de |
+ |
bug |
= |
debug |
to take
away or get rid of problems |
We need to debug the computer program. It
is not working correctly. |
|
| de |
+ |
frost |
= |
defrost |
to get rid or take away ice that forms on
something. |
Please defrost the freezer. There is too
much ice on the sides. |
|
| * Use il-
before words that begin with the letter L for example
illicit, illegal |
| * Use im-
before words that begin with B, M or P for example impossible |
| * Use ir-
before words that begin with R for example irregular,
irresponsible |