The prefix added to "payment" to make it opposite is "non-."
The prefix for "ease" is "dis-". For example, "discomfort" is formed by adding the prefix "dis-" to "comfort", resulting in a word that describes the opposite of ease.
The prefix added to the word "approve" to make it its opposite is "dis-", resulting in the word "disapprove."
The prefix that would make "bolt" an opposite word is "un-". So, "unbolt" would be the opposite of "bolt".
Im- is the correct prefix. This would make the word immature.
The prefix added to "justice" to make it the opposite is "in-". This forms the word "injustice," meaning the lack of fairness or a violation of rights.
The prefix "un-" can be added to the word "incredible" to create the opposite, which would be "uncredible" meaning not credible or believable.
The opposite prefix of the prefix "meta-" is "pre-".
UNfreeze
The prefix for comfort is "com-".
Hypo is the opposite of the prefix hyper.
The opposite prefix for personal is "impersonal."