Step 1: Understanding the Question:
The goal is to identify the synonym (word nearest in meaning) of the capitalized word ``PERNICIOUS''.
Step 2: Key Concepts and Vocabulary Definitions:
The word ``PERNICIOUS'' is an adjective derived from the Latin ``perniciosus'' (meaning destructive), which comes from ``per-'' (thoroughly) and ``nex'' (death or ruin).
It describes something that has a harmful, damaging, or destructive effect, especially in a gradual, subtle, or hidden way.
Step 3: Detailed Explanation:
• Option (A) - injurious: This means causing or likely to cause damage or harm. This matches the meaning of ``pernicious'' closely, as both describe things that cause injury or harm.
• Option (B) - graceful: This means showing elegance or beauty in movement or form. This is completely unrelated to harm.
• Option (C) - useful: This means able to be used for a practical purpose; beneficial. This is an antonym of pernicious.
• Option (D) - delightful: This means causing great pleasure. This is another highly positive word and the opposite of pernicious.
Step 4: Final Answer:
Option (A) is the word nearest in meaning to ``PERNICIOUS''.