How to use
used to say that you cannot give a definite answer to something because your answer will be affected by something else
'How long are you staying?' 'I don't know; it depends.'
it depends who/what/how/whether etc
You may take several months to reach your target weight - it depends how much you want to lose.
depend on/upon somebody/something
if something depends on something else, it is directly affected or decided by that thing
The length of time spent exercising depends on the sport you are training for.
depend on how/what/whether etc
Choosing the right bike depends on what you want to use it for.
depending on something
The expenses you claim can vary enormously, depending on travel distances involved.
to need the support, help, or existence of someone or something in order to exist, be healthy, be successful etc
on its tourist trade.
We depend entirely on donations from the public.
depend on somebody/something for something
Many women have to depend on their husbands for their state pension.
depend on somebody/something to do something
I'm depending on you to tell me everything.
depend on somebody/something doing something
We're depending on him finishing the job by Friday.
to trust or have confidence in someone or something
You can depend on Jane - she always keeps her promises.
Do not say that one thing 'is depend on' another. Say one thing
is dependent on
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.
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