groundbreaking Meaning in the Cambridge English Dictionary
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Meaning of “groundbreaking” in the English Dictionary

"groundbreaking" in British English

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groundbreakingadjective

(also ground-breaking) uk   us   /ˈɡraʊndˌbreɪ.kɪŋ/
If something is groundbreaking, it is very new and a ​bigchange from other things of ​itstype: His ​latestmovie is ​interesting, but not groundbreaking.
(Definition of groundbreaking from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"groundbreaking" in American English

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groundbreakingadjective

 us   /ˈɡrɑʊndˌbreɪ·kɪŋ/
original and ​important; ​showing a new way of doing or ​thinking about things: This groundbreaking ​workchanged the way historians ​looked at ​slavery.
(Definition of groundbreaking from the Cambridge Academic Content Dictionary © Cambridge University Press)

"groundbreaking" in Business English

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groundbreakingadjective

uk   us   /ˈɡraʊndˌbreɪkɪŋ/
new and likely to have an ​effect on how things are done in the future: a groundbreaking discovery groundbreaking ​work/​research/​studies a groundbreaking ​agreement/​deal
(Definition of groundbreaking from the Cambridge Business English Dictionary © Cambridge University Press)
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