[1] : The Collaborative International Dictionary of English v.0.48

ugly \ug"ly\, a. compar. uglier; superl. ugliest. icel.
   uggligr fearful, dreadful; uggr fear akin to ugga to fear +
   -ligr akin to e. -ly, like. ??. cf. awe.
   1. offensive to the sight; contrary to beauty; being of
      disagreeable or loathsome aspect; unsightly; repulsive;
      deformed.
      1913 webster

            the ugly view of his deformed crimes. --spenser.
      1913 webster

            like the toad, ugly and venomous.     --shak.
      1913 webster

            o, i have passed a miserable night,
            so full of ugly sights, of ghastly dreams. --shak.
      1913 webster

   2. ill-natured; crossgrained; quarrelsome; as, an ugly
      temper; to feel ugly. colloq. u. s.
      1913 webster

   3. unpleasant; disagreeable; likely to cause trouble or loss;
      as, an ugly rumor; an ugly customer. colloq.
      1913 webster
see also:
uglier ugliest awe 

[2] : WordNet (r) 2.0

ugly
     adj 1: displeasing to the senses and morally revolting; "an ugly
            face"; "ugly furniture"; "war is ugly" ant: beautiful
     2: deficient in beauty; "ugly gray slums"
     3: inclined to anger or bad feelings with overtones of menace;
        "a surly waiter"; "an ugly frame of mind" syn: surly
     4: morally reprehensible; "would do something as despicable as
        murder"; "ugly crimes"; "the vile development of slavery
        appalled them" syn: despicable, vile, unworthy
     5: threatening or foreshadowing evil or tragic developments; "a
        baleful look"; "forbidding thunderclouds"; "his tone
        became menacing"; "ominous rumblings of discontent";
        "sinister storm clouds"; "a sinister smile"; "his
        threatening behavior"; "ugly black clouds"; "the situation
        became ugly" syn: baleful, forbidding, menacing, minacious,
         minatory, ominous, sinister, threatening
     6: provoking horror; "an atrocious automobile accident"; "a
        frightful crime of decapitation"; "an alarming, even
        horrifying, picture"; "war is beyond all words horrible"-
        winston churchill; "an ugly wound" syn: atrocious, frightful,
         horrifying, horrible
     also: ugliest, uglier
see also:
beautiful surly despicable vile unworthy baleful 
forbidding menacing minacious minatory ominous 
sinister threatening atrocious frightful horrifying 
horrible ugliest uglier 

[3] : WordNet (r) 2.0

uglier
     see ugly
see also:
ugly 

Uglier >> U Words
Uglier, definition of term: Uglier
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