Example Sentences:

Ramayana:  When told that Dasharatha had to honor his promise to Kaikeyi, Lakshmana dismissed that as just a specious reason for a plot to deprive Rama of his kingdom.

Mahabharata:  When Dhritarashtra suggested that the Pandavas go to Varanavata to oversee the festival on behalf of the Kuru kingdom, they sensed that the suggestion was a specious plea to get him away from the centre of power.

Bhagavad-gita:  When we start coming up with specious reasons to justify our impure indulgences, then impurity has taken over our intelligence.