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significant change

[sɪɡˈnɪfɪkənt tʃeɪndʒ]
noun phrasefemininepl: mudanças significativas
mudança significativa
1. An important or notable alteration or transformation in something
There has been a significant change in the company's strategy.
Houve uma mudança significativa na estratégia da empresa.
2. A substantial difference that has statistical or practical importance
The research showed a significant change in patient outcomes.
A pesquisa mostrou uma mudança significativa nos resultados dos pacientes.
3. A noticeable transformation in circumstances, conditions, or status
We witnessed a significant change in weather patterns this year.
Testemunhamos uma mudança significativa nos padrões climáticos este ano.
Synonyms
major changesubstantial modificationimportant transformationconsiderable alterationmarked difference
Antonyms
minor changeinsignificant changenegligible differenceslight modificationtrivial alteration

Regional Variations

General Brazilian
mudança significativa
Standard usage throughout Brazil
Rio de Janeiro
mudança significativa / grande mudança
Often used with emphasis on the magnitude
São Paulo
mudança significativa / mudança relevante
Corporate and formal contexts often use 'relevante'
Portugal
alteração significativa / mudança significativa
Both terms are used; 'alteração' slightly more formal

Related Idioms & Phrases

a sea change
a turning point
a watershed moment
mudança de rumo
virada de jogo
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