uncommonly

uncommonly
    adv 1: exceptionally; "a common remedy is uncommonly difficult
           to find"
    

Uncommon \Un*com"mon\, a.
   Not common; unusual; infrequent; rare; hence, remarkable;
   strange; as, an uncommon season; an uncommon degree of cold
   or heat; uncommon courage.
   [1913 Webster]

   Syn: Rare; scarce; infrequent; unwonted.
        [1913 Webster] -- {Un*com"mon*ly}, adv. --
        {Un*com"mon*ness}, n.
        [1913 Webster]
    

74 Moby Thesaurus words for "uncommonly":
      abnormally, abundantly, acutely, amazingly, amply, astonishingly,
      at infrequent intervals, awesomely, conspicuously, copiously,
      eminently, emphatically, exceptionally, exquisitely,
      extraordinarily, extremely, exuberantly, famously, generously,
      glaringly, hardly, hardly ever, impressively, incredibly,
      infrequently, intensely, irregularly, magically, magnanimously,
      magnificently, markedly, marvelously, nobly, not often, notably,
      on occasion, particularly, peculiarly, pointedly, preeminently,
      profusely, prominently, pronouncedly, rarely, remarkably, richly,
      scantily, scarcely, scarcely ever, scrimpily, seldom,
      seldom if ever, signally, singularly, skimpily, sparsely,
      splendidly, sporadically, strikingly, superlatively, surpassingly,
      surprisingly, uncommon, uncustomarily, unexpectedly, unfrequently,
      unnaturally, unoften, unordinarily, unusually, very seldom,
      wonderfully, wondrous, worthily