insouciant
adj.
1829, from French insouciant "careless, thoughtless, heedless," from in- "not" (see in-(1)) + souciant "caring," present participle of soucier "to care," from Latin sollicitare "to agitate" (see solicit). Related: Insouciantly.
| 词汇 | insouciant | 
| 词根词缀 | Online Etymology Dictionary insouciant adj. 1829, from French insouciant "careless, thoughtless, heedless," from in- "not" (see in-(1)) + souciant "caring," present participle of soucier "to care," from Latin sollicitare "to agitate" (see solicit). Related: Insouciantly. | 
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