blithe

(adjective)

adjective

1. lacking or showing a lack of due concern

- spoke with blithe ignorance of the true situation

Similar word(s): unconcerned

2. carefree and happy and lighthearted

- was loved for her blithe spirit

- a merry blithesome nature

Similar word(s): cheerful, blithesome, lighthearted, lightsome

Sentences with blithe as an adjective:

- She had a blithe disregard of cultures outside the United States.