oversleepo‧ver‧sleep /ˌəʊvəˈsliːp $ ˌoʊvər-/ verb (past tense and past participle overslept /-ˈslept/) [intransitive] 
Verb Table Examples
Sorry I’m late. I overslept.► see thesaurus at sleep → sleep in at sleep1
Verb TableVERB TABLE
oversleep
| Simple Form | ||
| Present | I, you, we, they | oversleep |
| he, she, it | oversleeps | |
| Past | I, you, he, she, it, we, they | overslept |
| Present perfect | I, you, we, they | have overslept |
| he, she, it | has overslept | |
| Past perfect | I, you, he, she, it, we, they | had overslept |
| Future | I, you, he, she, it, we, they | will oversleep |
| Future perfect | I, you, he, she, it, we, they | will have overslept |
| Continuous Form | ||
| Present | I | am oversleeping |
| he, she, it | is oversleeping | |
| you, we, they | are oversleeping | |
| Past | I, he, she, it | was oversleeping |
| you, we, they | were oversleeping | |
| Present perfect | I, you, we, they | have been oversleeping |
| he, she, it | has been oversleeping | |
| Past perfect | I, you, he, she, it, we, they | had been oversleeping |
| Future | I, you, he, she, it, we, they | will be oversleeping |
| Future perfect | I, you, he, she, it, we, they | will have been oversleeping |
EXAMPLES FROM OTHER DICTIONARIES
Thesaurus- He had overslept on the day he was supposed to take the entrance exam.
- Sorry I'm late - I overslept.
- They were afraid of oversleeping and missing the plane.
- Why are you so late? Did you oversleep again?
- Yet he ended his days at daily mass, even serving for the priest when the altar boy of the day overslept.
THESAURUS► sleep
to sleep for longer than you intended: to rest your mind and body with your eyes closed. Sleep is usually used when talking about how long, how deeply, or where someone sleeps. When saying that someone is not awake, you use be asleep: · Most people sleep for about eight hours.· He slept downstairs.· Did you sleep well?
► be asleep to be sleeping: · The baby’s asleep – don’t wake her.· He was fast asleep (=completely asleep) by the time I got home.
► oversleep to sleep for longer than you intended so that you wake up late in the morning: · I overslept and was late for work.
► take a nap (also have a nap especially British English) (also have forty winks informal) to sleep for a short time during the day: · I think I’ll have a nap.· She had been awake all night and was looking forward to taking a nap.
► have/take a snooze informal to sleep for a short time, especially in a chair, not in a bed: · I think I’ll have a quick snooze.
► doze to sleep lightly, for example in a chair, and be easily woken: · I wasn’t really asleep – I was just dozing.· I must have dozed off (=started sleeping) halfway through the film.
► kip British English informal to sleep somewhere, especially somewhere that is not your home – a very informal use: · I kipped at my mate’s for a couple of days.· Is it alright if I kip on the floor?
Longman Language Activatorto stay in bed until late in the morning► get up late to get out of bed later than usual in the morning: · We usually get up late on Sundays.· Jackson's not here. He must have gotten up late again.· I got up late, and then Brian was in the bathroom, so I just rushed straight here.
► have a lie in/sleep late to stay in bed longer than usual in the morning, especially because you do not need to get up: · It's Saturday tomorrow, so I can have a lovely long lie in.· We slept late, and when we woke the sun was blazing in through the windows.
► stay in bed to not get out of bed, even though you are not asleep: · If you're not well, you'd better stay in bed.· We stayed in bed all morning, reading the papers and drinking coffee.
► oversleep to accidentally sleep longer than you intended, so that you are late for something: · Sorry I'm late - I overslept.· They were afraid of oversleeping and missing the plane.· He had overslept on the day he was supposed to take the entrance exam.
► sleep in to deliberately get up later than usual because you do not have to get up at a fixed time: · I think I'll go to bed late tonight and sleep in tomorrow.· She doesn't even like sleeping in, even on Sundays.
Sorry I’m late. I overslept.► see thesaurus at sleep → sleep in at sleep1