1. lack of understanding, perception, or the like; stupidity.
2. a stupid or foolish act or remark.
3. something inconsequential or without merit; absurdity; trifle.
Origin: 1820-30; < French: literally, foolishness, equivalent to bête foolish (see beast ) + -ise -ice
Now YOU come up with a sentence (or fic? or graphic?) that best illustrates the word.