ingenious (adjective) ingenious: clever; brilliant
Detalii: ingenious is 'clever, brilliant'; ingenuous is 'frank, candid' or 'naïve'
Sinonime: adamantine,
callous, compact, compacted, compressed,
concentrated, consolidated,
dense, firm, hardened,
impenetrable, indurate, indurated,
inflexible, iron,
packed,
rigid, rocky, set, solid,
stiff, stony, strong,
thick,
tough, unyielding
Antonime: flexible,
malleable, pliable, pliant,
soft,
yielding