: very smart or clever : having or showing ingenuity
The book has an ingenious plot.
an ingenious device/plan/solution
an ingenious person
She was ingenious at finding ways to work more quickly.
It was ingenious of him to arrange the schedule so precisely.
Cite this Entry
“Ingenious.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/ingenious. Accessed 28 Jun. 2026.
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