cavalier:

showing a lack of proper concern, being dismissive of serious matters

cavalier:

showing a lack of proper concern, being dismissive of serious matters

(Adjective)

Example Sentences:

Ramayana:  Given Ravana’s cavalier disregard for the sanctity of marriage, he felt no moral hesitation in abducting another man’s wife.

Mahabharata:  Few things illustrate Dhritarashtra’s partiality as his cavalier disregard for both the rights of the Pandavas to the Kuru kingdom and the wrongs they had suffered at the hands of his son.

Bhagavad-gita:  The more we adopt a cavalier attitude towards big questions such as the meaning and purpose of life, the more we become consumed by trivial desires and petty complaints.