Definition of "alike"

The wide prospect up stream was grey and lowering, the long still-distant waterfront of Dundee, and the Fife shore were alike colourless, and there was ample evidence of rough weather not far ahead.

1947 January and February, O. S. Nock, “"The Aberdonian" in Wartime”, in Railway Magazine, page 7

As the Knight himself seemed tacitly to disclaim alike interest and controul over the immediate favourite of his lady, young Roland was, by circumstances, exempted from the strict discipline to which, as the retainer of a Scottish man of rank, he would otherwise have been subjected, according to all the rigour of the age.

1820, [Walter Scott], chapter III, in The Abbot. […], volume I, Edinburgh: […] [James Ballantyne & Co.] for Longman, Hurst, Rees, Orme, and Brown, […]; and for Archibald Constable and Company, and John Ballantyne, […], page 73

Carried somehow, somewhither, for some reason, on these surging floods, were these travelers, of errand not wholly obvious to their fellows, yet of such sort as to call into query alike the nature of their errand and their own relations.

1910, Emerson Hough, chapter II, in The Purchase Price: Or The Cause of Compromise, Indianapolis, Ind.: The Bobbs-Merrill Company