senseless

Ryan had contracted AIDS from a blood transfusion and symbolized the senselessness of the disease.
First in the Fight Against AIDS|Steven Petrow|August 26, 2009|DAILY BEAST
When conscious, she raised her left hand, looked on the leaden ring, and sank back again into senselessness.
A Book of Ghosts|Sabine Baring-Gould
He grew appalled by the senselessness of this apparently unnecessary exertion.
The Rough Road|William John Locke
No doctrine revolts Zarathustra more than that of the vanity and senselessness of life.
Friedrich Nietzsche|Georg Brandes

It strikes me as ludicrous—even pathetic in its senselessness.
The Laughing Cavalier|Baroness Orczy
To say nothing of the inhumanity, the senselessness of duelling revolts me.
The Tragic Comedians, Complete|George Meredith

British Dictionary definitions for senselessness

senseless

/ (ˈsɛnslɪs) /

adjective

lacking in sense; foolisha senseless plan

lacking in feeling; unconscious

lacking in perception; stupid

Derived Forms

senselessly, adverbsenselessness, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012