Which of the following words is closest in meaning to “Mendacious”?

Mendacious means untruthful; lying.

• Correct answer - false: it has the same meaning as Mendacious.
• spontaneous: happening naturally without planning - wrong, it does not mean the same as Mendacious.
• uncommon: rare - wrong, it does not mean the same as Mendacious.
• adulterated: made impure by adding something - wrong, it does not mean the same as Mendacious.