importunateness

As the celebration of this mortuary feast is the termination of the anxious period of mourning, and the release from the subtle secret importunateness of the dead, everybody with his wife and children flocks to the scene.

The Manóbos of Mindanáo Memoirs of the National Academy of Sciences, Volume XXIII, First Memoir John M. Garvan

Such frequency is an indication of importunateness; and importunateness is inconsistent with reverence.

Religions of Ancient China Herbert Allen Giles 1890

: And in that He adds "seek," and "knock," HE bids us ask with much importunateness and strength.

Catena Aurea - Gospel of Matthew 1225?-1274 1842