The negative prefix for probable is "im-," so the negative form of probable would be "improbable."
The negative prefix of "active" is "in-" or "inactive".
The negative prefix of sympathetically is "un-".
The negative prefix of "friendly" is "un-."
The negative prefix for wealthy is "un-".
The negative prefix for "function" is "dys-".
un probable
probable
The negative prefix is un-. This make the word unorganized.
The prefix 'dis' would change agreeable to a negative.
- is the prefix for negative numbers in algebra.
The negative prefix is un-. This make the word unorganized.
Un- is the negative prefix that can be added onto reliable. In other words it would be unreliable.
pro
un-
Uneasy.
The negative prefix for "settle" is "un-".
The negative prefix for the word "do" is "un-".