Repentino vs. súbito
The Portuguese words repentino and súbito both mean sudden and refer to something that happens quickly or unexpectedly, but they are used in slightly different ways depending on the context and nuance.
Repentino
B1Repentino refers to something that happens suddenly and often emphasizes the element of surprise or abruptness that interrupts a continuity. It can describe events, changes, or feelings.
O silêncio foi interrompido por um barulho repentino.
(The silence was interrupted by a sudden noise.)
Houve uma mudança repentina no clima.
(There was a sudden change in the weather.)
Sua decisão repentina de viajar pegou todos de surpresa.
(His sudden decision to travel caught everyone by surprise.)
Súbito
B2Súbito also means sudden but often carries a more formal or literary tone. It is frequently used in writing, poetry, or more elevated speech, and it focuses on the instantaneous nature of the action or event.
A queda súbita da bolsa assustou os investidores.
(The sudden drop in the stock market frightened investors.)
Com um movimento súbito, ele abriu a porta.
(With a sudden movement, he opened the door.)
A súbita chegada da tempestade nos forçou a buscar abrigo.
(The sudden arrival of the storm forced us to seek shelter.)
Summary
While both repentino and súbito mean sudden, repentino is more commonly used in everyday language and emphasizes an unexpected interruption, while súbito has a more formal or literary tone and highlights the instantaneous nature of the action. The choice between them often depends on the level of formality required.