ABSURDITY
absurdity, fatuity, fatuousness, silliness
(noun) a ludicrous folly; “the crowd laughed at the absurdity of the clown’s behavior”
absurdity, absurdness, ridiculousness
(noun) a message whose content is at variance with reason
Source: WordNet® 3.1
Etymology
Noun
absurdity (countable and uncountable, plural absurdities)
(countable) That which is absurd; an absurd action; a logical contradiction. [First attested in the late 15th century.]
(uncountable) The quality of being absurd or inconsistent with obvious truth, reason, or sound judgment. [First attested in the early 16th century.]
(obsolete, rare) Dissonance. [Attested from around 1350 to 1470 until the late 17th century.]
Source: Wiktionary
Ab*surd"i*ty, n.; pl. Absurdities. Etym: [L. absurditas: cf. F.
absurdite.]
1. The quality of being absurd or inconsistent with obvious truth,
reason, or sound judgment. "The absurdity of the actual idea of an
infinite number." Locke.
2. That which is absurd; an absurd action; a logical contradiction.
His travels were full of absurdities. Johnson.
Source: Webster’s Unabridged Dictionary 1913 Edition