Concept:
Advanced vocabulary components often describe ethical traits or behavioral characteristics. Identifying synonyms requires separating truth-telling attributes from deceitful attributes.
Step 1: Contextualizing the capital word.
The adjective
MENDACIOUS means not telling the truth, lying, or characterized by deception and falsehood (e.g., "a mendacious propaganda campaign").
Step 2: Checking alignment against choice indices.
Let us analyze the choices:
• Option (A) reliable: Consistently good in quality or performance; able to be trusted. This is an antonymous concept to mendacious.
• Option (B) dishonest: Behaving or prone to acting in a untrustworthy, deceitful, or fraudulent manner. This perfectly corresponds to the definition of mendacious.
• Option (C) specific: Clearly defined or identified. Unrelated to truth values.
• Option (D) faithful: Remaining loyal and steadfast. This is another antonymous quality.
Step 3: Synthesis.
Because a mendacious statement or individual is inherently untruthful, 'dishonest' is the exact equivalent expression. Thus, Option (B) is correct.