Meaning of “significant” in the English Dictionary

"significant" in English

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uk /sɪɡˈnɪf.ɪ.kənt/ us /sɪɡˈnɪf.ə.kənt/

significant adjective (IMPORTANT)

B2 important or noticeable:

There has been a significant increase in the number of women students in recent years.
The talks between the USA and the USSR were very significant for the relationship between the two countries.

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(Definition of “significant” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"significant" in American English

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us /sɪɡˈnɪf·ɪ·kənt/

important, large, or great, esp. in leading to a different result or to an important change:

This election reaffirms a significant shift of the center of power.
Marriage is a significant commitment.
noun [ U ] us /sɪɡˈnɪf·ɪ·kəns/

The full significance of space exploration may not be understood for many years to come.

(Definition of “significant” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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I recognise that this proposal will require significant efforts by both operators and authorities, but these efforts are both worthwhile and necessary.
Even though we may have different views on certain parts of it, we should be able to agree that this survey is useful and significant.
I shall give an example of the way in which the subject we are discussing might have been significant in my own country.
However, the final title and scope of this report was much less precise than we had anticipated, and its conclusions are at significant variance from our own.
Despite the provisions on adherence to good agricultural practice, which have been in force for years, the agricultural sector is still the most significant source of impurities in groundwater.
We should not forget that the role played by the state as a patron of culture has always been significant, but never crucial.
The report’s demands for the mandatory translation of all documents and for the accused’s partner to be informed as a matter of course are equally significant.
The only way is to act as a community, and your declaration in favour of multilateralism is a very significant starting point.
With its abundance of species, tuna has become a commercially and socio-economically significant fishery resource, to the extent that it has recently shown strong growth rates.
The value of these scholarships is significant.