Meaning of “work” - Learner’s Dictionary

work

noun uk us /wɜːk/
EFFORT [ U ]

B1 the use of physical or mental effort to do something:

Decorating that room was hard work.
PLACE [ U ]

A1 the place where you go to do your job:

He had an accident at work.
JOB [ U ]

A1 something you do as a job to earn money:

Has she got any work yet?
Many young people are out of work (= they do not have a job).
ACTIVITY [ U ]

A2 the activities that you have to do at school, for your job, etc:

Have you got a lot of work to do?
The teacher said she was pleased with my work.
get/set to work (on sth)

to start doing something

ART/MUSIC ETC [ C, U ]

B2 a painting, book, piece of music, etc:

The exhibition includes works by Picasso and Klee.
the complete works of Shakespeare

(Definition of “work noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)