Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “long”

See all translations

long

adjective uk   /lɒŋ/ us    /lɑːŋ/

long adjective (TIME)

A1 continuing for a large amount of time: a long film/meeting I've been waiting a long time. It's a long time since I worked there. Apparently the sessions are an hour long.
More examples

long adjective (DISTANCE)

A1 being a distance between two points that is more than average or usual: long hair long legs a long dress There was a long queue at the post office. We're still a long way from the station.
More examples

long adjective (MANY WORDS)

A2 used to describe a piece of writing that has a lot of pages or words: a long letter/book/report
More examples

long

adverb uk   /lɒŋ/ us    /lɑːŋ/

long adverb (TIME)

A2 used to mean "(for) a long time", especially in questions and negative sentences: Have you been waiting (for) long? I'm just writing a letter but it won't take long. How long have you been in England? Don't rush - take as long as you like. We've been walking all day long. I've known her longer than you have. I won't be staying much longer.C2 a long period of time before or after something: She left the house long before I arrived. It wasn't long before he was back with his family. He did not join them until long after they had eaten. used with the past participle or the -ing form of the verb to mean that a state or activity has continued for a long time: a long-awaited letter long-serving employees
More examples

long adverb (IF)

as/so long as
More examples
B1 used to say that something must happen before something else can happen: I can come as long as I can leave by 4.00. Bring your friends by all means - just so long as I know how many are coming.
Grammar

long

long

(Definition of long adjective, adverb, verb, noun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of long?
Add Cambridge dictionaries to your browser to your website

Definitions of “long” in other dictionaries

Word of the Day

luck

the force that causes things, especially good things, to happen to you by chance and not as a result of your own efforts or abilities

Word of the Day

A certain je ne sais quoi: French words and phrases used in English

by Liz Walter,
January 21, 2015
It is an odd irony that the more sophisticated your use of English is, the more likely you are to use French words and phrases. Or, to be more accurate, ones you know to be French – words such as ballet, au pair, abattoir, fiancé, café, and restaurant are so entrenched in

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More