sky

A1
UK/skaɪ/US/skaɪ/

Neutral

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Definition

Meaning

The region of the atmosphere and outer space seen from the earth; the expanse that appears as a dome over the earth, often blue during the day and dark at night.

The heavens or celestial realm; figuratively, a high or exalted state, limit, or condition (e.g., 'the sky's the limit'). Also used in names of things resembling the sky in colour or position (e.g., 'sky blue').

Linguistics

Semantic Notes

Primarily a non-count noun referring to the entire expanse, but can be countable ('skies') when referring to different atmospheric conditions, regions, or literary/poetic contexts.

Dialectal Variation

British vs American Usage

Differences

No significant difference in core meaning. 'Skies' is slightly more common in British English for weather forecasts (e.g., 'sunny skies').

Connotations

Similar in both varieties. Connotes freedom, limitlessness, and, in idioms, optimism or ambition.

Frequency

Equally high frequency in both dialects.

Vocabulary

Collocations

strong
clear skyblue skynight skystarry skyovercast sky
medium
darkening skyopen skycloudless skyleaden skymorning sky
weak
vast skypale skythreatening skyempty skybright sky

Grammar

Valency Patterns

[adj] + skysky + [verb] (e.g., the sky darkened)under a/the [adj] skyin the skyacross the sky

Vocabulary

Synonyms

Strong

atmosphereair

Neutral

heavensfirmamentvault of heavenazure (poetic)

Weak

welkin (archaic)ether (poetic)empyrean (literary)

Vocabulary

Antonyms

groundearthland

Phrases

Idioms & Phrases

  • pie in the sky
  • the sky's the limit
  • reach for the sky
  • praise to the skies
  • out of a clear blue sky

Usage

Context Usage

Business

Rare. May appear in optimistic projections ('sky's the limit') or brand names.

Academic

Used in geography, meteorology, astronomy, and literature.

Everyday

Very common for describing weather, time of day, and appearance.

Technical

In aviation ('sky marshal'), meteorology ('sky cover'), and photography ('sky filter').

Examples

By Part of Speech

verb

British English

  • The striker skied the ball over the bar.
  • Property prices have skied in the last decade.

American English

  • The batter skied a pop fly to the shortstop.
  • Inflation skied after the policy change.

adverb

British English

  • The plane flew sky-high above the clouds.
  • Prices have gone sky-high.

American English

  • He threw the ball sky-high.
  • Her confidence was sky-high after the win.

adjective

British English

  • She wore a lovely sky-blue dress.
  • We're planning a sky-diving trip.

American English

  • The car was painted sky blue.
  • He's a certified sky-diving instructor.

Examples

By CEFR Level

A2
  • The sky is blue today.
  • Look at the stars in the night sky.
  • Birds fly in the sky.
B1
  • The sky turned dark grey before the storm.
  • We hope for clear skies for our picnic.
  • The first plane appeared as a dot in the sky.
B2
  • Streaks of pink and orange painted the evening sky.
  • Meteorologists are predicting unsettled skies for the weekend.
  • His ambitions are as boundless as the sky.
C1
  • The pollution haze obscured the otherwise pristine alpine sky.
  • Under the leaden skies of November, the city seemed perpetually dusk.
  • Her innovative proposal was initially dismissed as pie in the sky.

Learning

Memory Aids

Mnemonic

The word 'SKY' sounds like the 'sigh' you make when looking at a beautiful sunset.

Conceptual Metaphor

SKY IS A LIMIT/BOUNDARY (the sky's the limit), SKY IS A CANVAS/SURFACE (painted sky), SKY IS A DOMED CEILING (vault of the sky).

Watch out

Common Pitfalls

Translation Traps (for Russian speakers)

  • Russian 'небо' covers both 'sky' and 'heaven'. Context is crucial. 'Heaven' is typically religious or metaphorical ('go to heaven'), while 'sky' is physical.
  • Avoid literal translation of phrases like 'in seventh heaven' (на седьмом небе) as 'in seventh sky'.

Common Mistakes

  • Using uncountable 'sky' plurally incorrectly (e.g., 'look at those beautiful sky' instead of 'skies').
  • Confusing 'sky' with 'heaven' in religious contexts.

Practice

Quiz

Fill in the gap
After weeks of rain, it was a relief to finally see a .
Multiple Choice

In which context is the use of 'skies' most appropriate?

FAQ

Frequently Asked Questions

It is primarily uncountable when referring to the general expanse. The plural 'skies' is used for literary effect, to describe different types of weather/atmospheres, or different regions (e.g., 'Australian skies').

'Sky' refers to the physical atmosphere. 'Heaven' is primarily religious, referring to the abode of God/deities or the afterlife, but can poetically mean 'sky' (e.g., 'the heavens opened' meaning it rained heavily).

Yes, informally, especially in sports (football/soccer, baseball) meaning to hit or throw a ball very high into the air. It can also mean to rise sharply (e.g., prices skied).

It means there is no upper limit or restriction on what can be achieved, spent, or done; anything is possible.

Collections

Part of a collection

Weather

A2 · 45 words · Describing the weather, climate and seasons.

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