What does absurdity mean?
The definition of absurdity
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.