A word that has a prefix added to the beginning.
Effective
Im-
Correct
Possible
Root
Goes at the beginning of a word to change it's meaning.
Likely to happen
Mature
Reasonable or realistic
Able to be done
Able to accomplish a goal
"Not" or "opposite of"
Fully developed or completely grown
Visible
Patient
Probable
"Not" or "without"
Perfect
True or accurate meaning
Able to accept or tolerate
Able to be seen
Sane
Prefix
In-
Complete or without flaws
Active
Taking action