archly /ˈɑɹt͡ʃ.li/ adverb2 •In an arch manner; slyly.Phoebe lay down by me, and ask'd me archly if, now that I had seen the enemy, and fully considered him, I was still afraid of him? — 1749 •In the form of an arch.My eyebrows recently plucked archly. — 1984 formsmore archly · most archly