What is the synonym of 'Mendacious'?

•English Meaning: Not telling the truth; lying.
•Bangla Meaning: (আনুষ্ঠানিক) মিথ্যা; মিথ্যাবাদী: mendacious reports.
-Synonyms:  Untruthful (মিথ্যাবাদী), Dishonest (অসাধু), Lying (মিথ্যা), Fraudulent (ধোঁকাবাজি)। 
-Antonyms: Truthful (সত্যনিষ্ঠ), Honest (সৎ), Veracious (সত্যনিষ্ঠ), Frank (নির্ভীক), Sincere (একনিষ্ঠ)। 

Other Forms: Mendaciously (adverb) অসত্যভাবে। Mendacity [মেন্‌ড্যাসাটি] (noun) (আনুষ্ঠানিক) [uncountable noun] মিথ্যা; [countable noun] (plural mendacities) অসত্য বিবরণ।
Example Sentence: 
1. That promise has been revealed as mendacious nonsense.
2. The newspaper story was mendacious and hurtful.

Source: Website Lecture.