| a. | 1. | Careless; heedless; indifferent; unconcerned. |
| Adj. | 1. | insouciant - marked by blithe unconcern; "an ability to interest casual students"; "showed a casual disregard for cold weather"; "an utterly insouciant financial policy"; "an elegantly insouciant manner"; "drove his car with nonchalant abandon"; "was polite in a teasing nonchalant manner" Synonyms: casual, nonchalant |