1 (of an object, a plan, an idea, etc.) very suitable for a particular purpose and resulting from clever new ideas:
an ingenious device / invention / experiment * ingenious ways of saving energy * His plots are always very ingenious.
2 (of a person) having a lot of clever new ideas and good at inventing things:
an ingenious cook * She's very ingenious when it comes to finding excuses.
ingeniously adverb:
ingeniously designed
