Definition of Air
Quick Meaning of Air
The breathable gas all around us. We cannot see it, but we need it to live.
Detailed Definition of Air
The invisible mixture of gases surrounding Earth that people and animals breathe.
How to Pronounce Air
Stress pattern: O (1-syllable word).
Tip: Two syllables in speech: 'air' sounds like one syllable but the 'r' adds length. The vowel is the 'care' sound.
Watch out: Sometimes pronounced as 'er' (rhyming with 'her'); the vowel should be the 'care' sound /eər/.
Origin and Etymology of Air
From Old French 'air', derived from Latin 'aer', from Greek 'aēr' meaning atmosphere.
How to Use Air in a Sentence
Each example shows “air” with a CEFR level so learners can pick examples that match their fluency.
-
“The air outside is fresh and clean today.”
-
“Plants need air and water to grow properly.”
-
“The air pollution in the city has increased significantly over the past decade.”
Synonyms and Antonyms of Air
Common Synonyms for Air
Smart Synonyms for Air — When to Use Each
- atmosphere
- for scientific or formal discussion of gases
- oxygen
- for the specific gas humans breathe
- breeze
- when emphasizing gentle wind movement
Common Collocations with Air
These phrases pair with “air” in everyday English:
- fresh air
- cool air
- breathe air
- air pollution
- air pressure
Common Mistakes When Using Air
Even fluent speakers slip up with “air”. Here’s how to avoid the most common errors:
- ✗ Wrong: The air are polluted.
- ✓ Correct: The air is polluted.
- Why: Air is an uncountable noun, so it uses singular verb 'is', not 'are'.
- ✗ Wrong: I need fresh airs for my health.
- ✓ Correct: I need fresh air for my health.
- Why: Air is uncountable when referring to atmosphere; use singular form without 'fresh airs'.
Other Forms of Air
Frequently Asked Questions About Air
What is the meaning of "Air"?
The breathable gas all around us. We cannot see it, but we need it to live.
How do you pronounce "Air"?
The IPA is /eər/. Two syllables in speech: 'air' sounds like one syllable but the 'r' adds length. The vowel is the 'care' sound.
What part of speech is "Air"?
"Air" is a noun at A1 level (Common European Framework).
What are synonyms for "Air"?
Common synonyms include atmosphere, oxygen, breeze.
How do you use "Air" in a sentence?
For example: "The air outside is fresh and clean today."