challengingly en · ADV
Etymology
Etymology tree English challenging Middle English -ly English -ly English challengingly From challenging + -ly.
Meanings
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In a way or to an extent that challenges
[…] Mr. Keltner is ready and eager to conduct all manner of experiments, whether they are whoopee-cushion silly or challengingly serious.
2009 January 19, Janet Maslin, “Smiley Faces in Our Chromosomes”, in New York Times:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| most challengingly | Degree=Sup | lexicographic | |
| more challengingly | Degree=Cmp | lexicographic |