adjective

 

distance having a large distance from one end to the other

long, brown hair

 

time continuing for a large amount of time

a long film/meeting

 

how long used when asking for or giving information about the distance or time of something

It's about three metres long.

 

book A long book or other piece of writing has a lot of pages or words.

a long article/letter

 

noun

 

a large amount of time

She won't be away for long.

 

adverb

 

for a long time

We didn't have to wait long for the train.

 

verb

 

to want something very much

She longed to see him again.