long

long — adjective

1. lasting or continuing for more time than is usual or expected

1.adjectiveA1
Definition

lasting or continuing for more time than is usual or expected

Example

The film was so long that Hugo fell asleep before the end.

long as adjective describing duration

Sora had to wait a long time for the bus to arrive in the rain.

a long time: common noun phrase for duration

Common collocations
  • long time
  • long wait
  • long period
  • long delay
  • long meeting
  • long day
  • long journey
Synonyms
  • lengthy

    more formal than 'long', often used for written documents or speeches

  • prolonged

    suggests something continues longer than necessary or expected

Antonyms
  • short

    opposite in duration

Common Mistakes

The movie was very long time.
The movie was very long.' or 'The movie took a long time.
'long' is an adjective describing the film itself; 'a long time' is a noun phrase needing the article 'a'.

2. measuring a great amount from one end to the other; covering a large distance

2.adjectiveA1
Definition

measuring a great amount from one end to the other; covering a large distance

Example

Adaeze has long hair that reaches all the way to her waist.

long describing physical length of body part

The new bridge across the river is nearly two kilometres long.

Common collocations
  • long way
  • long distance
  • long hair
  • long legs
  • long queue
  • long corridor
  • long river
Synonyms
  • lengthy

    also means long in distance, but more formal; often preferred for physical extent in technical contexts

  • extended

    suggests something stretched out beyond the usual length

Antonyms
  • short

    opposite in distance or length

Common Mistakes

The table is 2 metres long length.
The table is 2 metres long.
'long' already contains the idea of length; adding 'length' is redundant.

3. containing many pages, words, or separate items

3.adjectiveA2
Definition

containing many pages, words, or separate items

Example

The report was too long for Jason to finish before the deadline.

Sahil wrote a long letter to his grandmother about his new life in Japan.

long letter: writing with many words

Common collocations
  • long book
  • long letter
  • long article
  • long list
  • long report
  • long essay
  • long poem
Synonyms
  • lengthy

    more formal than 'long', often used for reports, documents, or speeches

  • extensive

    suggests covering a wide range of topics; broader than just many words

Antonyms
  • short

    opposite in terms of word count or page count

  • brief

    suggests something is intentionally short and to the point

Idioms

Extremely long.

The shopping list my wife gave me is as long as your arm.

Is the waiting list really as long as your arm?

Not longer than the specified time.

The repair should take two hours at the longest.

Will the meeting last an hour at the longest?

After a long period of waiting or effort.

At long last, the rain stopped and the sun came out.

Has the package arrived at long last?

By a large amount or degree.

She is the best singer in the class by a long way.

Did he win the race by a long way?

To have known each other for many years.

Tom and I go back a long way to elementary school.

Do you and Sarah go back a long way?

To last for a long time or cover a large area.

A little bit of this paint goes a long way on the wall.

Does your salary go a long way in this city?

To help significantly or somewhat in achieving something.

Your donation will go a long way towards helping the shelter.

Does this grant go some way towards covering the costs?

To have made a lot of progress.

Medicine has come a long way since the 19th century.

Has your English come a long way this year?

To need to make a lot of progress before achieving a goal.

The team has a long way to go before winning the championship.

Do you think she has a long way to go in her training?

Used to say that there is no definite answer to a question.

When asked how long the project would take, he replied, 'How long is a piece of string?'

How long is a piece of string? It depends on many factors.

Over a long period of time in the future.

Investing in education pays off in the long run.

Will this decision benefit us in the long run?

Over a specified period of time in the future.

In the short term, we may face some difficulties.

Is this plan sustainable in the long term?

It makes no real difference which of two choices you make.

Whether we go by train or bus, it's as broad as it's long.

Is it as broad as it's long whether we start now or later?

Used to say that the reasons for something are complicated and you prefer not to give details.

How did we end up here? It's a long story.

Why is he so upset? It's a long story, believe me.

The basic facts or the main point of a situation.

The long and short of it is that we need more money.

What's the long and short of his argument?

The power or influence of something that reaches far.

No criminal can escape the long arm of the law.

Has the long arm of the company reached our small town?

To have an unhappy or disappointed expression.

After losing the game, he pulled a long face.

Why are you wearing such a long face today?

Old or too old.

That horse is a bit long in the tooth for racing.

Is he too long in the tooth for this job?

An attempt or guess that is unlikely to succeed but worth trying.

It's a long shot, but we might find a parking spot.

Is winning the lottery a long shot?

Used to introduce a summary of what happened, omitting details.

To cut a long story short, we missed the flight.

Long story short, he got the job after all.

Used as a greeting to someone you haven't seen for a long time.

Long time no see! How have you been?

Long time no see, Maria. You look great!

Not at all; not nearly.

The work is not finished, not by a long chalk.

Is he the best player? Not by a long chalk.

To consider the future effects rather than just the present.

Investors should take the long view of the market.

Does the government take the long view on climate change?

long — adverb

long — verb

long — noun

Word family

Synonym discussion

Sense: adjective/1

All four describe something that takes more time than usual, but they differ in register and nuance. Long is the everyday, neutral word: 'We had a long meeting.' Lengthy is more formal and suggests something feels too long, especially for documents or speeches: 'The CEO gave a lengthy address.' Prolonged emphasises that something continues beyond what is normal or desirable, often with a sense of frustration: 'The prolonged drought ruined the harvest.' Extended focuses on the idea of something being stretched in time, and is common in business or technical contexts: 'We need an extended deadline.' In conversation, long is the safest choice; the other three add a layer of judgement or formality.

Common collocations

Phrases

  • as long as
  • before long
  • long before
  • long after
  • long ago
  • in the long run
  • in the long term

Prepositions

Etymology

Proto-GermanicOld EnglishMiddle EnglishEnglish

Long comes from Old English 'lang' (adjective) and 'longe' (adverb), from Proto-Germanic 'langaz'. It is related to Dutch 'lang' and German 'lang'. The verb sense 'to desire' comes from Old English 'langian', meaning 'to grow longer, to yearn', based on the idea that desire makes time feel long. The noun abbreviation 'long.' for longitude developed from the Latin 'longitudo' (length), making it a separate historical pathway that happens to share the same spelling.