foolishness (n.)
- absurdity
- absurdness
- blankness
- bull
- bunk
- craziness
- devilment
- devilry
- deviltry
- elfishness
- emptiness
- fatuity
- flightiness
- flimsiness
- folly
- frivolity
- frivolousness
- futility
- giddiness
- idleness
- ignorance
- impishness
- impracticality
- imprudence
- inanity
- incapacity
- indiscretion
- ineptitude
- injudiciousness
- insanity
- insensibility
- irrationality
- levity
- lightness
- lunacy
- mindlessness
- mischief
- mischievousness
- nirvana
- nonsense
- oblivion
- passivity
- playfulness
- prankishness
- puckishness
- quietism
- ridiculousness
- roguery
- roguishness
- senselessness
- shallowness
- silliness
- slenderness
- slightness
- sportiveness
- superficiality
- thoughtlessness
- tranquillity
- triteness
- triviality
- unwiseness
- vacancy
- vacuity
- vanity
- vapidity
- volatility
- waggery
- waggishness
Though thou shouldest bray a fool in a mortar among wheat with a pestle, yet will not his foolishness depart from him.
