Find out the exact meaning of the given word.
"Inevitable"

The correct answer is Option D (That which cannot be avoided).

Key Points:
• Concept: Vocabulary and One Word Substitutions.
• Explanation: 'Inevitable' means certain to happen or impossible to avoid. Hence, 'That which cannot be avoided' is the exact definition.
• Other Definitions:
• That which cannot be attacked: Unassailable / Inexpugnable.
• That which cannot be understood: Incomprehensible.
• That which cannot be heard: Inaudible.
• Official Key: Option 4 ('That which cannot be avoided') is the official answer.
• Key Takeaway: Remember: 'Inevitable' describes something certain to happen and impossible to prevent or avoid.