The prefix -im. For impossibility.
Possibility
UNseat is one possibility.
The prefix is adapt - whose meaning is to adapt.
"Possibility" doesn't have a prefix. You could add the prefix im- to it to make the word impossibility.
Auto- is one possibility but auto can also mean "reflexive" or referring to itself. For example, an autograph is your own signature, an autobiography is your own biography.
Prefix=IN
Unpopular is one possibility.
UNseat is one possibility.
The prefix for possibility meaning "no chance of rain" is "a-," as in "arid," which means lacking moisture or humidity.
The prefix is adapt - whose meaning is to adapt.
"Possibility" doesn't have a prefix. You could add the prefix im- to it to make the word impossibility.
One likely possibility would be "epi."
Auto- is one possibility but auto can also mean "reflexive" or referring to itself. For example, an autograph is your own signature, an autobiography is your own biography.
A prefix is not a prefix when it is placed at the end of a word rather than the beginning. In this case, it is referred to as a suffix.
Prefix=IN
Yes, prefix does have a prefix. The prefix is pur-.
No, "humorless" is not a prefix. It is a single word that means lacking humor or the ability to perceive or appreciate humor.
The prefix for inadequate is in-. The prefix in- means not.