Definition of "ingenious" in English

adjective

1. Of a person, displaying genius or brilliance; inventive.

   • This fellow is ingenious; he fixed a problem I didn’t even know I had.

2. Of a thing, characterized by genius; cleverly contrived or done.

   • That is an ingenious model of the atom.

3. Showing originality or sagacity; witty.

   • He sent me an ingenious reply to an email.