Adverb
in an unreasonably senseless manner
in a meaningless and purposeless manner
Source: WordNetI would like to go mad on one condition, namely, that I would become a happy madman, lively and always in a good mood, without any troubles and obsessions, laughing senselessly from morning to night. Emil Cioran
I felt that it was my duty not to senselessly waste my time. And since I didn't want to waste my time, I tried to accomplish as much as possible. Aung San Suu Kyi
If they don't think, people act senselessly. Andrei Platonov
I recalled the ants I had watched as a child on the farm, building their hills one grain of sand at a time, only to have them senselessly destroyed in an instant by a passing foot. I'd pieced my life together the same way, slowly and agonizingly. Would it, too, be kicked callously into dust? Clarence Thomas
I personally cannot tell you how many times we rescuers put our names on animals to come to us as soon as they are eligible for release, only to find they have been senselessly killed by overzealous pound workers. Elayne Boosler
these temples were mindlessly destroyed by the Red Guards Source: Internet