foolishness - a) lack of good sense; b) lack of forethought; c) the tendency to disregard good advice.

any of various wolflike carnivores (family Hyaenidae), with powerful jaws, a bristly mane, short hind legs, and a characteristic shrill cry, fed on carrion; a hyena.

the work or art of cutting wood and sculpting different shapes, idols, toys, etc.