demand
Demand can be a noun or a verb.
used as a countable noun
A demand for something is a firm request for it.
There have been demands for better services.
used as an uncountable noun
Demand for a product or service is the amount of it that people want.
Demand for organic food rose by 10% last year.
used as a verb
If you demand something, you ask for it very forcefully.
They are demanding higher wages.
I demand to see a doctor.
She had been demanding that he visit her.
Be careful
When demand is a verb, don't use ‘for’ after it. Don't say, for example, ‘They are demanding for higher wages’.
When demand is a verb, don't use ‘for’ after it. Don't say, for example, ‘They are demanding for higher wages’.