[f. as prec. + -ING1.] The action of slandering or defaming. (Now gerundial.)

1

1659.  Gentl. Call. (1696), 7. A wronging, a calumniating even of the very Devil.

2

1855.  Macaulay, Hist., III. 24. Calumniating and ridiculing the Church which he had deserted.

3