“Dress up”: phrasal verb meaning.

Dress up
To dress in an elegant and formal way as for a special occasion. If you know someone who usually wears casual clothes like a tracksuit or jeans and t-shirt and suddenly, one day you see him wearing a smart black dress, high heel shoes, a lot of jewellery you can say she is dressed up.

Other examples of “dress up” phrasal verb in a sentence

  • Wow, you’re so dressed up. Are you going anywhere?
  • You don’t have to dress up, we’re only going to the park.
  • I’m going to dress up for the party.

“Dress up”: use in context explanation

The wife has just woken up from a short nap, she is still wearing a dressing gown and slippers. She sees her husband looking really smart, wearing a black suit, a white shirt, a tie and elegant shoes. She wonders why he is so dressed up and asks him about it. He is pretty angry. He says his wife has forgotten about a very important business meeting they were supposed to go to together. She should be dressed up as her husband, not wearing night clothes. The wife is sorry and quite angry at herself and admits she has forgotten about such an important event.