atmosphere

atmosphere — noun

1. the layer of air and other gases that wraps around our planet and lets living th

1.nounB1
Definition

the layer of air and other gases that wraps around our planet and lets living things breathe.

Example

Carbon dioxide from cars and factories is heating up the atmosphere.

definite article: 'the atmosphere' for Earth

The space capsule started to glow as it re-entered the atmosphere over the Pacific.

collocation: enter / re-enter the atmosphere

Common collocations
  • pollute the atmosphere
  • Earth's atmosphere
  • upper atmosphere
  • re-enter the atmosphere
Synonyms
  • air

    everyday word; 'air' is what you breathe, 'atmosphere' is the whole gas layer

  • sky

    what you see above; less scientific than 'atmosphere'

Grammar Patterns

the atmosphere

Usage Note

Almost always takes the definite article ('the atmosphere') when referring to Earth specifically. Distinguish from sense 2, which covers the gas layer around any planet.

Common Mistakes

A rocket flew through atmosphere.
A rocket flew through the atmosphere.
when meaning Earth's gas layer, the article 'the' is required.

2. the gases held by gravity around a planet, moon, or star other than Earth.

2.nounB2
Definition

the gases held by gravity around a planet, moon, or star other than Earth.

Example

The atmosphere of Venus is so thick that sunlight rarely reaches its surface.

pattern: the atmosphere of [planet]

Mars has a thin atmosphere made mostly of carbon dioxide.

collocation: thin / thick atmosphere

Common collocations
  • thin atmosphere
  • dense atmosphere
  • Mars's atmosphere
  • planetary atmosphere
Synonyms
  • air

    loose synonym; scientists prefer 'atmosphere' for non-Earth bodies

Grammar Patterns

the atmosphere of [planet]

Usage Note

This is the only sense that is regularly countable and pluralised ('atmospheres'). Distinguish from sense 1: 'the atmosphere' alone usually means Earth's; for other bodies, name the planet ('the atmosphere of Mars').

3. the air filling a particular room, building, or area, especially when you notice

3.nounB2
Definition

the air filling a particular room, building, or area, especially when you notice how it smells or feels.

Example

The atmosphere in the kitchen was thick with smoke from the burnt toast.

pattern: atmosphere + adjective describing what is in the air

Open a window — the atmosphere in here is really stuffy.

Common collocations
  • smoky atmosphere
  • damp atmosphere
  • stuffy atmosphere
  • atmosphere in the room
Synonyms
  • air

    more everyday; 'air' is interchangeable here

Grammar Patterns

the atmosphere in/of [place]

Usage Note

Refers to the physical air you can smell or feel, not the mood (sense 4). Often modified by adjectives describing temperature, smell, or moisture (smoky, damp, stuffy, hot).

Common Mistakes

The atmosphere of the party tasted like smoke.' (wrong sense — 'the party' suggests mood)
The atmosphere in the room tasted like smoke.
for physical air, name a place (room, kitchen), not an event.

4. the general feeling that a place, group, or event gives you — for example, a caf

4.nounB1
Definition

the general feeling that a place, group, or event gives you — for example, a café might have a relaxed atmosphere, while a courtroom feels tense.

Example

The little bookshop has a warm, friendly atmosphere that makes people stay for hours.

pattern: adjective + atmosphere

There was a tense atmosphere at the meeting after the manager raised her voice.

collocation: tense / relaxed / friendly atmosphere

Common collocations
  • tense atmosphere
  • friendly atmosphere
  • relaxed atmosphere
  • create an atmosphere
Synonyms
  • mood

    interchangeable; 'mood' more often describes people's feelings, 'atmosphere' the place

  • feeling

    vaguer; less common in 'a tense feeling at the meeting'

  • vibe

    informal; same idea but casual register

Grammar Patterns

a/an + adjective + atmosphere

Usage Note

Very often follows an adjective of feeling (tense, relaxed, friendly, hostile). Distinguish from sense 5, which specifically describes a pleasant, exciting place; sense 4 covers any mood, good or bad.

Common Mistakes

The party had a atmosphere.
The party had a great atmosphere.
this sense almost always needs an adjective; bare 'an atmosphere' sounds incomplete.

5. a special charm or character that makes a place feel exciting, romantic, or inte

5.nounB2
Definition

a special charm or character that makes a place feel exciting, romantic, or interesting — the kind of feeling that draws visitors in.

Example

The narrow streets of old Lisbon are full of atmosphere in the evening.

uncountable: 'full of atmosphere' (no article)

The candlelit restaurant has real atmosphere — couples come back every anniversary.

collocation: have / has atmosphere

Common collocations
  • full of atmosphere
  • lack atmosphere
  • real atmosphere
  • bags of atmosphere
Synonyms
  • ambience

    very close synonym; slightly more formal

  • character

    broader; 'character' is any personality, 'atmosphere' the felt charm

  • charm

    focuses on attractiveness; 'atmosphere' adds a sensory feel

Grammar Patterns

have/has atmosphere

with atmosphere

Usage Note

Uncountable in this sense — no article and no plural. Often appears in 'full of / has / lacks atmosphere'. Distinguish from sense 4: sense 4 needs an adjective ('a tense atmosphere'); this sense uses 'atmosphere' alone to mean 'attractive character'.

Common Mistakes

The cafe has an atmosphere.' (sounds unfinished)
The cafe has real atmosphere.' OR 'The cafe has a cosy atmosphere.
bare 'an atmosphere' rarely works; use sense 5 with no article, or sense 4 with an adjective.
Idioms

a heavy silence/atmosphere

idiom

A situation where no one speaks because everyone feels awkward or embarrassed.

After his rude comment, a heavy silence filled the room.

Did you feel the heavy atmosphere when Maya walked in?

Word family

  • atmospheric
    adjectiveB2
  • atmospherics
    nounC1
  • atmospherically
    adverbC1

Synonym discussion

Sense: noun/4

All four words describe the felt character of a place or moment, but they differ in scope and register. 'Atmosphere' is the broadest and most neutral — it can be tense, friendly, joyful, or hostile, and applies to any room, event, or city street. 'Mood' usually starts with how people inside a place feel and then spreads outward, so a cheerful crowd creates a cheerful mood. 'Ambience' is more formal and aesthetic, focusing on lighting, music, and decor; restaurant reviewers love this word. 'Vibe' is informal and youth-leaning, picking up an instant gut reaction. Compare: 'The library has a quiet atmosphere' (any mood, neutral); 'The team was in a good mood after the win' (people-first); 'The café's ambience is perfect for reading' (design-driven); 'This bar has a cool vibe' (casual).

atmosphere ↗mood ↗ambiencevibe

Common collocations

Nouns

  • atmosphere of the room
  • atmosphere of trust
  • Earth's atmosphere

Adverbs

  • heavily polluted
  • thinly populated

Phrases

  • create an atmosphere
  • ruin the atmosphere
  • full of atmosphere
  • lighten the atmosphere

Prepositions

  • in the atmosphere
  • of the atmosphere

Etymology

GreekNew LatinEnglish

Built in the 1600s from Greek roots: 'atmos' meaning vapour or steam, plus 'sphaira' meaning ball or globe — literally 'the ball of vapour' around the Earth. Scientists first used it for the gas layer around our planet; the meaning stretched in the 1800s to mean the air inside a particular place, and from there to the figurative 'mood of a place'.