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

ugly \ug"ly\, n.
   a shade for the face, projecting from the bonnet. colloq.
   eng. --c. kingsley.
   1913 webster

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

ugly \ug"ly\, v. t.
   to make ugly. r. --richardson.
   1913 webster

[4] : 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 

[5] : Moby Thesaurus II by Grady Ward, 1.0

145 moby thesaurus words for "ugly":
   abominable, alarming, awkward, bad, bad-tempered, base, bearish,
   beautiless, bitchy, bitter, blemished, blotted, cacophonic,
   cacophonous, cankered, cantankerous, churlish, corrupt, crabbed,
   crabby, cranky, critical, cross, cross-grained, crotchety, crusty,
   cussed, dangerous, dangersome, debased, defaced, degenerate,
   depraved, despicable, detestable, disadvantageous, disagreeable,
   discomforting, disfigured, disgusting, dislikable, displeasing,
   disquieting, distasteful, dysphemistic, dysphemized, evil,
   excitable, execrable, explosive, feisty, filthy, foul, fractious,
   fraught with danger, ghastly, grotesque, gruesome, hateful,
   hazardous, heinous, hideous, homely, hostile, huffish, huffy,
   ill-favored, ill-tempered, immoral, inelegant, irascible,
   irritable, jeopardous, loathsome, marred, mean, menacing, mephitic,
   nasty, nauseating, nauseous, noisome, objectionable, obnoxious,
   odious, offensive, ominous, ornery, parlous, periculous, perilous,
   perverse, perverted, plain, repellent, repugnant, repulsive,
   revolting, rotten, serious, short on looks, sickening, snappish,
   sordid, sour, spiteful, spleeny, splenetic, spoiled, surly, testy,
   thankless, threatening, troublesome, uglified, ugly as hell,
   ugly as sin, unaesthetic, unalluring, unappealing, unappetizing,
   unattractive, unbeautiful, uncomely, uncomfortable, undelectable,
   undelicious, undesirable, unengaging, unenjoyable, unhandsome,
   uninviting, unlikable, unlovely, unpalatable, unpleasant,
   unpleasing, unprepossessing, unpretty, unsavory, unsightly,
   untasteful, unwelcome, vile, waspish

Ugly >> U Words
Ugly, definition of term: Ugly
ugly_pag1.html