Meaning of “immediate” - Learner’s Dictionary

immediate

adjective uk us /ɪˈmiːdiət/
WITHOUT WAITING

B2 happening or done without waiting or very soon after something else:

The government has promised to take immediate action.
Her first novel was an immediate success.
The drugs will have an immediate effect.
IMPORTANT NOW

B2 important now and needing attention:

Our immediate concern is getting food and water to the refugees.
CLOSEST [ always before noun ]

closest to something or someone:

Police cleared people from the immediate area following the bomb warning.
the immediate future

the period of time that is coming next

sb's immediate family

someone's closest relatives, such as their parents, children, husband, or wife

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