sit up
(STAY AWAKE) — phrasal verb with sit /sɪt/ verb (present tense sitting, past tense and past participle sat)Definition
› to stay awake and not go to bed although it is late: [+ -ing verb] The book was so interesting that I sat up all night reading it. I'll be late tonight, so don't sit up for (= wait for) me.Not sleeping and not unconscious
(Definition of sit up (STAY AWAKE) from the Cambridge Advanced Learner's Dictionary & Thesaurus
© Cambridge University Press)
Browse related topics
You are looking at an entry to do with Animal physiology: not sleeping & not unconscious, but you might be interested in these topics from the Animal & plant biology topic area:
- Animal & plant biology - general words
- Animal (non-human) behaviour
- Animal physiology: bodily fluids & their production
- Animal physiology: breathing & stopping breathing
- Animal physiology: excrement & its excretion
- Animal physiology: fat or well-built
- Animal physiology: fit & healthy
- Animal physiology: sleep & sleeping
- Animal physiology: the respiratory system
- Animal physiology: thin or slender (of people)
- Animal physiology: urine & urinating
- Animal reproduction
- Bacteria, moulds, germs & viruses
- Cells
- Descriptions of animal (non-human) markings
- Genetics
- Immunology & vaccination
- Species & genders
- Zoology: ornithology & bird-watching
- Zoology: veterinary medicine
- Zoology: zoos & wildlife reserves
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SMART Thesaurus
Synonyms and related words:
- awaken verb
- awoke verb
- awoken verb
- be in the land of the living idiom
- come round phrasal verb (BECOME CONSCIOUS)
- consciousness noun (AWAKE)
- get (sb) up phrasal verb
- rise and shine! idiom
- rise verb (MOVE UP)
- riser noun (PERSON)
- rouse verb
- stir verb (MOVE)
- toss verb (MOVE)
- wait up phrasal verb
- wake (sb) up phrasal verb (STOP SLEEPING)
- wakeful adjective
- waken verb
- wakey-wakey exclamation
- waking adjective
- waking noun
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