Définition "ugly" dans le dictionnaire Collins English Dictionary & Thesaurus

ugly (uglier comparative) (ugliest superlative )

1  adj If you say that someone or something is ugly, you mean that they are very unattractive and unpleasant to look at., (Antonym: beautiful) ...an ugly little hat...
♦ ugliness  n-uncount
(Antonym: beauty) ...the raw ugliness of his native city.

2  adj If you refer to an event or situation as ugly, you mean that it is very unpleasant, usually because it involves violent or aggressive behaviour.
There have been some ugly scenes...
♦ ugliness  n-uncount
...the subtlety and ugliness of sexual harassment.

3
→ to rear its ugly head
→ head

ugly duckling (ugly ducklings plural )If you say that someone, especially a child, is an ugly duckling, you mean that they are unattractive or awkward now, but will probably develop into an attractive and successful person. n-count