The Collaborative International Dictionary of English v.0.48:

Wight \Wight\, n.
   Weight. [Obs.]
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The Collaborative International Dictionary of English v.0.48:

Wight \Wight\, n. [OE. wight, wiht, a wight, a whit, AS. wiht,
   wuht, a creature, a thing; skin to D. wicht a child, OS. &
   OHG. wiht a creature, thing, G. wicht a creature, Icel.
   v[ae]tt? a wight, v[ae]tt? a whit, Goth. wa['i]hts, wa['i]ht,
   thing; cf. Russ. veshche a thing. ?. Cf. Whit.]
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   1. A whit; a bit; a jot. [Obs.]
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            She was fallen asleep a little wight. --Chaucer.
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   2. A supernatural being. [Obs.] --Chaucer.
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   3. A human being; a person, either male or female; -- now
      used chiefly in irony or burlesque, or in humorous
      language. "Worst of all wightes." --Chaucer.
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            Every wight that hath discretion.     --Chaucer.
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            Oh, say me true if thou wert mortal wight. --Milton.
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The Collaborative International Dictionary of English v.0.48:

Wight \Wight\, a. [OE. wight, wiht, probably of Scand. origin;
   cf. Icel. v[imac]gr in fighting condition, neut. v[imac]gh
   ??? v[imac]g war, akin to AS. w[imac]g See Vanquish.]
   Swift; nimble; agile; strong and active. [Obs. or Poetic]
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         'T is full wight, God wot, as is a roe.  --Chaucer.
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         He was so wimble and so wight.           --Spenser.
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         They were Night and Day, and Day and Night,
         Pilgrims wight with steps forthright.    --Emerson.
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WordNet (r) 3.0 (2006):

wight
    n 1: a human being; `wight' is an archaic term [syn: creature,
         wight]
    2: an isle and county of southern England in the English Channel
       [syn: Wight, Isle of Wight]