IN- n.
An inseparable prefix, or particle, meaning not, non-, un- as, inactive, incapable, inapt. In- regularly becomes il- before l, ir- before r, and im- before a labial.
INGENIOUS a.
Possessed of genius, or the faculty of invention; skillful or promp to invent; having an aptitude to contrive, or to form new combinations; as, an ingenious author, mechanic. A man . . . very wise and ingenious in feats of war. Hakluyt. Thou, king, send out For torturers ingenious. Shak. The more ingenious men are, the…