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fluctuate
[/ˈflʌk.tʃu.eɪt/]
verb
flutuar
1.
to rise and fall irregularly; to vary or change constantly
The stock prices fluctuate daily based on market conditions.
Os preços das ações flutuam diariamente de acordo com as condições do mercado.
2.
to move back and forth; to waver
Her confidence fluctuated between hope and despair.
Sua confiança flutuava entre a esperança e o desespero.
3.
to oscillate or undulate
The water level fluctuates with the tides.
O nível da água flutua com as marés.
Synonyms
vary
oscillate
waver
vacillate
undulate
rise and fall
Antonyms
stabilize
remain constant
steady
fix
Regional Variations
General Brazilian
flutuar
most common usage
General Brazilian
variar
alternative for changes in values
Portugal
flutuar
standard European Portuguese
Portugal
oscilar
technical/scientific contexts
Related Idioms & Phrases
fluctuate between A and B
fluctuate wildly
fluctuate up and down
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