sea change
noun/ˈsiː tʃeɪndʒ/
/ˈsiː tʃeɪndʒ/
[usually singular]- a strong, clear and definite change in a situation
- It was one of those momentous events that cause a sea change in public attitudes.
- Television has undergone a sea change in the last two years.
Word Originfrom Shakespeare's Tempest (i. ii. 403).Definitions on the go
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sea change