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Adjective:
on demand
Available
when
requested
,
needed
or
required
"The
streaming
service
offers
movies
on
demand
"
Encyclopedia:
On demand
on and off
on and on
on appro
on approval
on average
on balance
on board
on call
on camera
on cloud nine
on demand
on duty
on earth
on edge
on end
on faith
on fire
on fleek
on guard
on hand
on hold