(law) In civil law, a class of freemen who were born free. They were distinguished from the class known as liberti or libertini who, born slaves, had afterwards legally obtained their freedom.

Improvisational design or problem-solving, dealing with low availability of replacement parts and materials.

The ability to solve difficult problems, often in original, clever, and inventive ways. / (now rare) Ingenuousness; honesty, straightforwardness

(nonstandard) Possessing ingenuity; ingenious.

false, not genuine or authentic.

plural of ingenuity

(colloquial, rare) Having or displaying ingenuity.