The act of demanding; an asking with authority; a peremptory urging of a claim; a claiming or challenging as due; requisition; as, the demand of a creditor; a note payable on demand.(noun)
source: webster1913
verb (v)
request urgently and forcefully(verb.communication)
Example: The victim's family is demanding compensation.
The boss demanded that he be fired immediately.
She demanded to see the manager.
source: wordnet30
require as useful, just, or proper(verb.stative)
Example: This position demands a lot of personal sacrifice.
To ask or call for with authority; to claim or seek from, as by authority or right; to claim, as something due; to call for urgently or peremptorily; as, to demand a debt; to demand obedience.(verb)