- 1(of an object, a plan, an idea, etc.) very suitable for a particular purpose and resulting from intelligent new ideas an ingenious device ingenious ways of saving energy His plots are always very ingenious.
- 2(of a person) having a lot of intelligent new ideas and good at inventing things an ingenious cook She's very ingenious when it comes to finding excuses.
adverb ingeniously designedSee ingenious in the Oxford Advanced Learner's Dictionary
Check pronunciation: ingenious