preoccupation

definition: the act of taking occupancy before someone else does
example:
speech part: noun
synonyms: preoccupancy
definition: the mental state of being preoccupied by something
example:
speech part: noun
synonyms: preoccupancy
definition: an idea that preoccupies the mind and holds the attention
example:
speech part: noun
synonyms:

preoccupation is explained and pronounced

How preoccupation is being used?