Step 1: Understanding the Question:
This question asks for the synonym of the capitalized word 'MENDACIOUS'.
This is an adjective describing truthfulness or deceit.
Step 2: Key Approach:
Assess the moral or truth-value quality of the adjective and group the other choices to find the semantic match.
Note the negative nature of the word and filter the options accordingly.
Step 3: Detailed Explanation:
• Meaning of MENDACIOUS: 'Mendacious' means not telling the truth; lying, deceitful, or untruthful.
It comes from the Latin root 'mendax', meaning liar.
• Option A (truthful): This means telling or expressing the truth.
This is an antonym of 'mendacious'.
• Option B (honest): This means free of deceit; truthful and sincere.
This is an antonym of 'mendacious'.
• Option C (misleading): This means giving the wrong idea or impression, often intentionally; deceptive.
Since 'mendacious' involves lying and deceit, 'misleading' is the closest synonym among the choices.
• Option D (straightforward): This means uncomplicated, honest, and easy to understand.
This is also an antonym of 'mendacious'.
Step 4: Final Answer:
The word nearest in meaning to 'MENDACIOUS' is 'misleading'.