undress

undress

I

un‧dress¹ /ʌnˈdres/ verb [intransitive and transitive]
to take your clothes off, or take someone else’s clothes off:
    Matt undressed and got into bed.
    Joe still needs an adult to undress him.
  REGISTER
    In everyday English, people usually say get undressed rather than undress:
   ▪ You can get undressed in here.
     

THESAURUS

   ▪ undress/get undressed to take off all your clothes, especially before going to bed. Get undressed is the usual phrase to use in everyday English: She got undressed and went to bed. | Em felt uncomfortable undressing in front of other people.
   ▪ take something off/remove to remove a piece of clothing. Remove is more formal than take off: 'It’s warm in here,' said Michael, taking off his jacket. | Take your shoes off before you come in. | Police officers told him to remove his clothes.
   ▪ strip (off) to take off all or some of your clothes – used especially when you do this quickly, when someone has ordered you to do it, or in a way that is deliberately sexually exciting: Ben stripped off and got into the shower. | She stripped off her clothes and lay on the bed. | The women in the club screamed and clapped as the male dancers began to strip.
   ▪ get changed to take off your clothes and put on different clothes: The boys ran up the stairs to get changed. | I’ll be ready in a second, I just have to get changed.
   ▪ undo to open a piece of clothing that is fastened: He started to undo his shirt. | Amy was struggling to undo her belt.

II

undress² noun [uncountable]
formal when you are wearing few or no clothes:
    Cindy was wandering about her room in a state of undress.