|Origin:||uggligr 'frightening', from uggr 'fear'|
ug‧ly comparative uglier, superlative ugliest
extremely unattractive and unpleasant to look at [= hideous; ≠ beautiful]:
a very ugly man
the ugliest building in town
Nick's dog is as ugly as sin (=very ugly).
used to describe a situation which is very bad or violent, and which makes you feel frightened or threatened:
There were ugly scenes as rival gangs started attacking each other.
ugly ideas, feelings, remarks etc are unpleasant:
Jealousy is an ugly emotion.
someone who is less attractive, successful etc than other people, but who becomes beautiful and successful later
—ugliness noun [uncountable]