[f. as prec. + -NESS.] The quality of being arch; cleverness, waggishness; good-humored slyness, pleasantry.
1709. Answ. Sacheverell, 10. He brought this Archness down the Pulpit Stairs with him.
1753. Richardson, Grandison (1781), I. i. 6. With a provoking archness in her looks.
1870. Emerson, Soc. & Solit., xi. 242. The wise Socrates treats this matter with a certain archness.