Browse by letter
English Words Starting With S
15,552 entries — pick a word to see its definition, pronunciation, and usage.
Filter
Parts of speech
- sleep hygiene/sliːp ˈhaɪ.dʒiːn/The set of practices and habits that are necessary to have good nighttime sleep quality and full daytime alertness.nounMedium (common in health, wellness, and lifestyle contexts, but less common in general everyday conversation).
- sleep learning/ˈsliːp ˌlɜː.nɪŋ/The purported or attempted acquisition of knowledge, especially through listening to recordings, while asleep.nounLow
- sleep movement/sliːp ˈmuːvmənt/Movements that occur during sleep, such as turning or shifting position.noununcommon
- sleep off/sliːp ɒf/To recover from the effects of something, such as alcohol or fatigue, by sleeping.verbB1
- sleep shade/ˈsliːp ˌʃeɪd/An item such as an eye mask, curtain, or blind used to block out light and create darkness to facilitate sleeping.nounLow (C1+)
- sleep sofa/ˈsliːp ˌsəʊ.fə/A sofa that can be converted into a bed, typically by folding out a hidden mattress.nounC1
- sleep through/sliːp θruː/To remain asleep despite something (like a noise or event) that would normally wake someone.verbB1
- sleep with/sliːp wɪð/To share a bed or bedroom with someone; to stay overnight together.verbB2
- sleep-in/ˌsliːp ˈɪn/To stay in bed and sleep later than one's usual waking time, especially in the morning.adjectivenounverbB1
- sleep-out/ˈsliːp aʊt/A veranda, porch, or room used for sleeping, especially in warm weather; also, an instance of sleeping outdoors.adjectivenounverbLow
- sleep-terror disorder/sliːp ˈtɛrə dɪsˌɔːdə/A sleep disorder characterized by episodes of screaming, intense fear, and autonomic arousal during sleep, typically occurring during non-REM sleep and without full conscious awareness.nounC1
- sleep-wake cycle/ˈsliːp ˌweɪk ˌsaɪ.kəl/The natural 24-hour rhythm that alternates between sleep and wakefulness, regulated by the body's internal biological clock (circadian rhythm).nounB2
- sleepcoat/ˈsliːp.kəʊt/A garment worn over nightclothes for warmth while sleeping.nounLow
- sleeper/ˈsliːpə(r)/A person or thing that sleeps, or something that is unexpectedly successful or powerful.nounB2
- sleeper seat/ˈsliː.pə(r) ˌsiːt/A seat, typically on a train, bus, or airplane, that can be converted into a flat bed for sleeping during long journeys.nounB2
- sleeper terrorist/ˈsliːpə ˈtɛrərɪst/A terrorist who remains hidden and inactive for a long period before carrying out an attack.nounLow
- sleeping/ˈsliːpɪŋ/The process or state of being asleep.adjectivenounHigh
- sleeping bag/ˈsliːpɪŋ ˌbæɡ/A warm padded bag for sleeping in, especially outdoors.nounB1
- sleeping beauty/ˌsliːpɪŋ ˈbjuːti/A fairy-tale princess who falls into a magical, deep sleep, only to be awakened by a kiss.nounMedium
- sleeping car/ˈsliːpɪŋ ˌkɑː/A railway carriage equipped with beds or berths for passengers to sleep in during overnight journeys.nounB2
Showing 7361–7380 of 15552 words.