Definition of immensity noun from the Oxford Advanced Learner's Dictionary

 

immensity

 noun
noun
BrE BrE//ɪˈmensəti//
 
; NAmE NAmE//ɪˈmensəti//
 
[uncountable]
 
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the large size of something the immensity of the universe We were overwhelmed by the sheer immensity of the task.
See the Oxford Advanced American Dictionary entry: immensity