Hoar \Hoar\, n.
   Hoariness; antiquity. [R.]
   
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         Covered with the awful hoar of innumerable ages.
                                                  --Burke.
   
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Hoar \Hoar\, v. t. [AS. h[=a]rian to grow gray.]
   To become moldy or musty. [Obs.] --Shak.
   
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Hoar \Hoar\, a. [OE. hor, har, AS. h[=a]r; akin to Icel.
   h[=a]rr, and to OHG. h[=e]r illustrious, magnificent; cf.
   Icel. Hei[eth] brightness of the sky, Goth. hais torch, Skr.
   k[=e]tus light, torch. Cf. {Hoary}.]
   1. White, or grayish white; as, hoar frost; hoar cliffs.
      "Hoar waters." --Spenser.
      
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   2. Gray or white with age; hoary.
      
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            Whose beard with age is hoar.         --Coleridge.
      
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            Old trees with trunks all hoar.       --Byron.
      
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   3. Musty; moldy; stale. [Obs.] --Shak.
      
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hoar
     adj : showing characteristics of age, especially having gray or
           white hair; "whose beard with age is hoar"-Coleridge;
           "nodded his hoary head" [syn: {gray}, {grey}, {gray-haired},
            {grey-haired}, {gray-headed}, {grey-headed}, {grizzly},
            {hoary}, {white-haired}]
     n : ice crystals forming a white deposit (especially on objects
         outside) [syn: {frost}, {hoarfrost}, {rime}]

62 Moby Thesaurus words for "hoar":
   Jack Frost, advanced, advanced in life, advanced in years, aged,
   along in years, ancient, argent, argentine, black frost, canescent,
   chalky, cretaceous, elderly, fleecy-white, frost, frost line,
   frost smoke, frosted, frosty, gray, gray with age, gray-haired,
   gray-headed, grizzled, grizzly, grown old, hoarfrost, hoary,
   killing frost, lactescent, lily-white, marble, marmoreal, milky,
   niveous, old, old as Methuselah, patriarchal, platinum, pure white,
   rime, rime frost, senectuous, sharp frost, silver, silvered,
   silvery, snow-white, snowy, swan-white, venerable, white,
   white as snow, white frost, white with age, white-bearded,
   white-crowned, white-haired, wrinkled, wrinkly, years old