8
nonsense(noun, ability, apathy, absurdity, stupidity)
7
aberration(noun, love, psychology, passion, desire)
7
fatuity(noun, apathy, nonsense, absurdity, stupidity)
7
foolery(noun, ability, nonsense, absurdity, stupidity)
7
mental illness(noun, expression, idiom, disorder, sane)
7
tomfoolery(noun, ability, nonsense, absurdity, stupidity)
6
distraction(noun, passion, excitement, anger, rage)
6
furor(noun, love, passion, desire, excitement)
6
hallucination(noun, restlessness, foolishness, insanity, irrationality)
6
insaneness(noun, sane)
6
irrationality(noun, nonsense, absurdity, stupidity, foolishness)
5
alienation(noun, psychology, sane, stupidity, foolishness)
5
indulgence
5
nuttiness(noun, stupidity, foolishness, insanity)
5
psychopathy(noun, depression, sane, madness, insanity)
5
unbalance(noun, sane, stupidity, foolishness, insanity)
5
witlessness(nonsense, absurdity, stupidity, foolishness, madness)
5
zaniness(noun, ability, absurdity, stupidity, foolishness)
4
asininity(noun, apathy, nonsense, absurdity, ignorance)
4
battiness(noun, apathy, nonsense, absurdity, ignorance)
11 years ago|6.9k views|share |citing 
APASmart Define. (2015). lunacy thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/lunacy/thesaurus/synonyms
ChicagoSmart Define. 2015. "lunacy thesaurus" https://smartdefine.org/lunacy/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, lunacy thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/lunacy/thesaurus/synonyms>.
MLASmart Define. "lunacy thesaurus" 13 April 2015. Web. 25 September 2026. <https://smartdefine.org/lunacy/thesaurus/synonyms>