blinding

What it means

1. Very bright (as if to cause blindness).

   On it came, and with it came the glorious blinding cloud of many-coloured light, and stood before us for a space, turning, as it seemed to us, slowly round and round, and then, accompanied by its attendant pomp of sound, passed away I know not whither.

   1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887, →OCLC

2. Making blind or as if blind; depriving of sight or of understanding.

   blinding tears;  blinding snow

   1 more example

   Turning back, then, toward the basement staircase, she began to grope her way through blinding darkness, but had taken only a few uncertain steps when, of a sudden, she stopped short and for a little stood like a stricken thing, quite motionless save that she quaked to her very marrow in the grasp of a great and enervating fear.

   1914 November, Louis Joseph Vance, “An Outsider […]”, in Munsey’s Magazine, volume LIII, number II, New York, N.Y.: The Frank A[ndrew] Munsey Company, […], published 1915, →OCLC, chapter III (Accessory After the Fact), page 382, column 1

3. UKslangBrilliant; marvellous.

   “How’s it going?” “Blinding, mate.”

In a sentence

On it came, and with it came the glorious blinding cloud of many-coloured light, and stood before us for a space, turning, as it seemed to us, slowly round and round, and then, accompanied by its attendant pomp of sound, passed away I know not whither.

1886 October – 1887 January, H[enry] Rider Haggard, She: A History of Adventure, London: Longmans, Green, and Co., published 1887, →OCLC

Where it comes from

By surface analysis, blind + -ing.