insouciance

Definition

Carelessness, heedlessness, indifference, or casual unconcern.

Etymology

From French insouciance, from in- (“not”) + souciant (“worrying”).

Example Sentences

• "So Gelernter, with an insouciance he now regrets, also chose a Lovelace as a namesake—Linda, the lead actress in "Deep Throat.""
• "She almost felt insulted by [the wild boar's] insouciance as it rooted in her grove."