challengingly

English

Etymology

challenging +‎ -ly

Adverb

challengingly (comparative more challengingly, superlative most challengingly)

1. In a way or to an extent that challenges
   • 2009 January 19, Janet Maslin, “Smiley Faces in Our Chromosomes”, in New York Times‎^[1]:

     […] Mr. Keltner is ready and eager to conduct all manner of experiments, whether they are whoopee-cushion silly or challengingly serious.