V. S. Apte, The Practical Sanskrit–English Dictionary. Look up any word of the Gita in Devanagari, IAST or Harvard-Kyoto, or browse the headwords letter by letter.
Entry अतिकथा
अतिकथाatikathā1 An exaggerated tale.
1 An exaggerated tale.
Idle or meaningless talk.
Derived forms and compounds
-थ
Adjective
Exaggerated, incredible (अश्रद्धेय).
Unfit to be told.
Past narration or mention, dead, lost.
Swerving from one's caste traditions etc.; lawless.