Longman Dictionary of Contemporary English homepage

Date: 1400-1500
Language: French
Origin: ingénieux, from Latin ingenium 'natural ability'

ingenious

adjective
     
in‧ge‧ni‧ous
1 an ingenious plan, idea, or object works well and is the result of clever thinking and new ideas:
Many fish have ingenious ways of protecting their eggs from predators.
an ingenious device
2 someone who is ingenious is very good at inventing things or at thinking of new ideas
ingeniously adverb

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