Added 9 October 2026 ingeniousness noun Categories: Mind & IdeasDescribing WordsObscure Words noun ! Definition from WordNet 3.1, Princeton University. More about ingeniousness at Wordnik → Where our words come from → The power of creative imagination. The property of being ingenious. a plot of great ingenuity Related Words: ingenuityinventivenessclevernessingeniositycleverishnessgenialnessinventioninnoventionoriginalityingenuousnessuningenuityinnovativeness Back to today's word