different between senselessness vs puerility

English

Etymology

From senseless +? -ness

Noun

senselessness (usually uncountable, plural senselessnesses)

1. The state of being senseless; unsense.
   • November 2 2014, Daniel Taylor, "Sergio Agüero strike wins derby for Manchester City against 10-man United," guardian.co.uk

     They had contributed heavily to their own downfall, most glaringly with the senselessness of Chris Smalling’s red card, and they should know by now that Manuel Pellegrini’s team are not the kind of opponents to pass up these kind of handouts.

Synonyms

• unsense

Translations

References

• senselessness in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• senselessness in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

English

Etymology

puerile +? -ity, from Middle French puérilité, from Latin puer?lit?s, from puer?lis (“childish, juvenile”), from puer (“boy”).

Noun

puerility (countable and uncountable, plural puerilities)

1. The state, quality, or condition of being childish or puerile.
2. That which is puerile or childish; especially, an expression which is insipid or silly.
   • 1857, Charles Kingsley, Two Years Ago

     You treat his opinions (though he never thrusts them on you) about "the Church," and his duty, and the souls of his parishioners, with civil indifference, as much ado about nothing; and his rubrical eccentricities as puerilities.

See also

• puerilism