selflessly

From selfless + -ly.

selflessly (comparative more selflessly, superlative most selflessly)

1. In a selfless manner; done in a way that disregards concerns for the self and places other first.
   • 2020 January 9, Elizabeth Preston, “Parrots Show Off Selfless Behavior”, in The New York Times‎^[1]:

     They’re the first non-mammals observed helping each other in this way, suggesting other animals have evolved the ability to act selflessly.