Prefixes:
* Offense: This is the opposite of defense.
* Overdefense: This could mean excessive or unnecessary defense.
* Predefense: This might refer to preparation for a defense.
* Underdefense: This might mean inadequate or insufficient defense.
Suffixes:
* Defenseless: This means lacking defense or protection.
* Defensive: This means relating to or characterized by defense.
* Defensively: This is an adverb meaning in a defensive manner.
Combining Prefixes and Suffixes:
* Overdefensive: This could mean excessively defensive or overly sensitive.
* Underdefensive: This might mean lacking in defensiveness or too trusting.
* Predefensive: This could refer to actions taken in advance to defend against something.
The specific meaning of the new word would depend on the context. For example, "overdefense" could be a negative term in a sports context, while "predefense" could be a positive term in a security context.