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ingenious

in·gen·ious [ in jnyəss ]


adjective 
Definition:
 
1. inventive: possessing cleverness and imagination

2. clever and effective: clever, original, and effective
an ingenious solution

[15th century. Via French< Latin ingeniosus< ingenium "mind"]

in·gen·ious·ly adverb
in·gen·ious·ness noun

Word Usage
ingenious or ingenuous?

Though spelled similarly, these two words have different meanings and so should not be used interchangeably. Ingenious means "inventive" and "cleverly effective": a famed researcher with an ingenious [not ingenuous] mind;an ingenious [not ingenuous] marketing strategy. By contrast, ingenuous means "innocently unworldly" and "being or seeming to be honest, candid, and direct": an ingenuous [not ingenious] young child;an ingenuous [not ingenious] answer to the reporter's hostile question.

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