Definition of "irksomeness"

My dear child, it is not here as in Italy, women, amongst us, have no other employment than domestic duties; the talents which you possess will serve to relieve the irksomeness of solitude, perhaps, also, you may meet with a husband to whom they would be agreeable; […]

1807, [Germaine] de Staël Holstein, translated by D[ennis] Lawler, “[Book XIV. The History of Corinna.] Chapter I.”, in Corinna; or, Italy. […], volume IV, London: […] Corri, […]; and sold by Colburn, […], and Mackenzie, […], pages 7–8