Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “air”

See all translations

air

noun [U]
 
 
/r/
by air TRANSPORT travelling by or using planes: arrive/travel by air 25% of the state's economy is fueled by tourists who travel by air.deliver/send/ship sth by air The company adds a surcharge for express packages delivered by air.
up in the air if a matter is up in the air, it is uncertain and no final decision has been made about it: The future of the company has been up in the air since one of its key shareholders was compelled to sell its stake.
(Definition of air from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of air?
Add Cambridge dictionaries to your browser to your website

Definitions of “air” in other dictionaries

Word of the Day

pup

a baby of particular animals, or a puppy

Word of the Day

I won’t tolerate it! Replacing formal words with phrasal verbs.

by Liz Walter,
April 01, 2015
When you are using a language, it is important to understand if a word is formal or informal, so that you can use it in an appropriate way. You might hear people saying dosh for money, or spud for potato, but they wouldn’t write those words in a formal essay. Similarly, a

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More