Alternative forms 
From Latin ingeniosus (“endowed with good natural capacity, gifted with genius”), from ingenium (“innate or natural quality, natural capacity, genius”), from in (“in”) + gignere (“to produce”), Old Latin genere. Compare French ingénieux; see also engine.
- Displaying genius or brilliance; tending to invent.
- This fellow is ingenious; he fixed a problem I didn't even know I had.
- Characterized by genius; cleverly done or contrived.
- That is an ingenious model of the atom.
- Witty; original; shrewd; adroit; keen; sagacious.
- He sent me an ingenious reply for an email.
Usage notes 
Do not confuse with ingenuous.
Related terms 
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