Meaning : Lacking sincerity.
Example :
A charming but thoroughly insincere woman.
Their praise was extravagant and insincere.
Open and genuine. Not deceitful.
He was a good man, decent and sincere.Insincere ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Marathi. Insincere ka matlab kya hota hai?