un-/in-/im-/ir-/il-/dis-
The opposite of tidy.
Untidy
The opposite of loyal.
Disloyal
The opposite of acceptable.
Unacceptable
The opposite of fair.
Unfair
The opposite of legible.
Illegible
The opposite of active.
Inactive
Disagree
The opposite of believable.
Unbelievable
The opposite of dependent.
Independent
The opposite of healthy.
Unhealthy
The opposite of responsible.
Irresponsible
The opposite of legal.
Illegal
The opposite of surprising.
Unsurprising
The opposite of polite.
Impolite
The opposite of mature.
Immature
To not like waiting for things (p _ _ _ _ _ t).
Impatient
A very low probability (l _ _ _ _ y).
Unlikely
Something that is dangerous (s _ _ e).
Unsafe
Something that makes you very displeased (s _ _ _ _ _ _ _ d).
Unsatisfied
Someone who tells a lot of lies is... (h _ _ _ _ t).
Dishonest
To not be sure of something (c _ _ _ _ _ n).
Uncertain
To not be able to do something (p _ _ _ _ _ _ e).
Impossible
The wrong answer (c _ _ _ _ _ t).
Incorrect
No very nice (K _ _ d).
Unkind
Something that you can't see (v _ _ _ _ _ e).
Invisible