Step 1: Understanding the phrase.
The phrase "null and void" refers to something that is invalid or has no legal force. It often refers to laws, contracts, or agreements that are considered ineffective or without power.
Step 2: Explanation of options.
- **Ineffective** means that something is not producing the desired result, making it a synonym for "null and void."
- **Effective** refers to something that works as intended, which contradicts the meaning of "null and void."
- **Inforce** means to be in effect, which is opposite of being "null and void."
- **Forceful** refers to something done with strong force, not relevant to the phrase.
Step 3: Conclusion.
The correct meaning of "null and void" is **ineffective**.
Final Answer: \[ \boxed{\text{The correct answer is (A) ineffective.}} \]
"Kick the bucket'' -- Select the correct phrase meaning