English

Definition of sea change noun from the Oxford Advanced Learner's Dictionary

 

sea change

 noun
noun
BrE
 
; NAmE
 
[usually singular]
 
jump to other results
a strong and noticeable change in a situation It was one of those momentous events that cause a sea change in public attitudes. Word Originfrom Shakespeare's Tempest (i. ii. 403).
See the Oxford Advanced American Dictionary entry: sea change