adj. 1. Chief; principal: their arch foe. 2. a. Mischievous; roguish: "She ... was arch enough to inform the queen whenever I committed any folly that she thought would be diverting to her majesty" (Jonathan Swift). b. Teasing, ironic, or sardonic: "I know, Edy Boardman said none too amiably with an arch glance from her shortsighted eyes. I know who is Tommy's sweetheart" (James Joyce). [From ARCH-1.] archly adv. archness n. |
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