Pronunciation: /steɪ ʌp/
verb to remain awake or not go to bed at the usual time
A1 I stay up late watching movies.
A2 My sister likes to stay up all night talking on the phone.
B1 I have to stay up to finish my project for tomorrow.
B2 Despite being tired, she decided to stay up and finish reading the book.
C1 As a doctor, I often have to stay up all night during emergency shifts.
C2 The team stayed up late preparing for the important presentation.
adverb in a wakeful state or not in bed at the usual time
A1 I stay up late to watch movies on weekends.
A2 She stayed up all night studying for her exam.
B1 They decided to stay up until midnight to celebrate New Year's Eve.
B2 Despite feeling tired, he stayed up to finish the project before the deadline.
C1 The party was so fun that I ended up staying up until sunrise.
C2 Even though I had an early meeting, I couldn't resist staying up to finish the book.
formal It is important to stay up to date with current events in order to make informed decisions.
informal I like to stay up late watching movies on the weekends.
slang Let's stay up all night and party!
figurative His enthusiasm for the project helped him stay up despite the challenges.
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