English Reference

Word

sleepy

US/ˈsɫipi/

UK/slˈiːpi/

Definitions

01tired

A1 · Beginner

adj. feeling like you want to sleep.

adj. experiencing a physiological desire for sleep; drowsy.

“The warm milk made the toddler feel very sleepy after dinner.”

“After a long day of hiking in the mountain air, the entire group felt sleepy and retired to their tents before sunset.”

Synonyms

tireddrowsysomnolent

02quiet and inactive

B1 · Intermediate

adj. describing a place where nothing much happens and it is very quiet.

adj. characterised by a lack of activity, excitement, or bustle; often used to describe small towns.

“They moved from the city to a sleepy village by the sea.”

“The once sleepy fishing port was transformed into a major tourist destination within a single decade.”

03inducing sleep

B2 · Upper Intermediate

adj. something that makes you feel tired or relaxed.

adj. having the quality of inducing drowsiness or a state of relaxation.

“The sleepy music helped the baby fall into a deep rest.”

“The afternoon lecture was delivered in such a sleepy monotone that several students struggled to remain attentive.”

Synonyms

Antonyms

04eye discharge

C2 · Proficiency Uncountable noun Medicine Informal · Dialect

n. the dried substance that sometimes collects in the corners of your eyes while you sleep.

n. the dried mucus or rheum that accumulates in the inner corners of the eyes during sleep.

“He rubbed the sleepy out of his eyes as soon as he woke up.”

“The child complained of a scratchy sensation, unaware it was merely a bit of dried sleepy caught in his eyelashes.”

Usage

Usually used in the singular in this sense, though 'sleepies' appears in some dialects.

Synonyms

rheumgound

Confusables

sleepy vs asleep

Asleep describes the state of being in slumber, while sleepy describes the physical urge or desire to begin sleeping.

RememberAsleep is the destination; sleepy is the journey there.

Etymology

Etymology tree Proto-Germanic *slēpaz Proto-West Germanic *slāp Proto-Indo-European *-kos Proto-Germanic *-gaz Proto-West Germanic *-g Proto-West Germanic *slāpag Old English *slǣpiġ Middle English slepy English sleepy From Middle English slepy, from Old English slǣpiġ (attested in unslǣpiġ (“sleepless”)), from Proto-West Germanic slāpag (“sleepy”), equivalent to sleep + -y. Cognate with Saterland Frisian släipich (“sleepy”), West Frisian sliepich (“sleepy”), dialectal Dutch slapig, slepig (“sleepy”), German Low German slapig, släpig, slöpig (“sleepy”), archaic German schlafig (“sleepy”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Word family

ADJECTIVE

sleepy(A1)

Related words

This entry

Exam level
CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.A1 MoversIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.2.0–3.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 1.0–1.50–23TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.120–224
Frequency
Frequent
Level
A1 · Beginner
Updated

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