Definition of "assiduously"

He who had appeared rather assiduously to shun her, whose good opinion she had valued, notwithstanding his seeming indifference to her, had now declared himself, and given proofs of a regard the most unequivocal.

1838, [Letitia Elizabeth] Landon (indicated as editor), chapter XVII, in Duty and Inclination: […], volume II, London: Henry Colburn, […], page 238

They were all too assiduously engaged to talk to us as we passed.

1895–1897, H[erbert] G[eorge] Wells, “What I Saw of the Destruction of Weybridge and Shepperton”, in “The War of the Worlds”, in Pearson’s, London: C. Arthur Pearson Ltd, published 1897, page 39, column 2

There were many wooden chairs for the bulk of his visitors, and two wicker arm-chairs with red cloth cushions for superior people. From the packing-cases had also emerged some Indian clubs, […]; and all these articles […] made a scattered and untidy decoration that Mrs. Clough assiduously dusted and greatly cherished.

1918, W[illiam] B[abington] Maxwell, chapter XXIII, in The Mirror and the Lamp, Indianapolis, Ind.: The Bobbs-Merrill Company, page 184

Her voice caught in her throat and another violent shiver ran through her. Bradly thought she was going to cry and became actively disturbed, holding her with one arm and patting her shoulder assiduously. "Damme, don't think about it, Cora."

1938, Norman Lindsay, chapter XXII, in Age of Consent, London: T[homas] Werner Laurie […], page 236

No. 21C9 was in need of a boiler washout and though she was carefully and assiduously fired and use made of the fire-irons during the run, it was not possible to maintain steam, which often fell as low as 210 lb.

1944 March and April, E. S. Waterhouse, “Two Footplate Rides on "Merchant Navy" Locomotives”, in Railway Magazine, page 88

While it remains a burden assiduously avoided, it is not unexpected, and thus not beyond a measure of control. Which has led you, inexorably, here.

2003, Matrix Reloaded, spoken by The Architect

What little precedent we have in such cases suggests that chief justices keep their heads down and, so far as possible, defer assiduously to the will of the Senate majority.

2020, Frank Bowman, The role of the chief justice in an impeachment trial, SCOTUSblog (Jan. 10, 2020, 11:18 AM), online