high-speed

[/haɪ ˈspiːd/]
adjective
de alta velocidade
1. operating, moving, or capable of moving at great velocity
The high-speed train connects the two cities in just two hours.
O trem de alta velocidade conecta as duas cidades em apenas duas horas.
2. designed or built for rapid motion or operation
She uses a high-speed internet connection for her online work.
Ela usa uma conexão de internet de alta velocidade para seu trabalho online.
3. involving or characterized by rapid action or motion
The high-speed chase lasted for several miles.
A perseguição de alta velocidade durou vários quilômetros.
In Brazil, 'high-speed' is commonly associated with modern infrastructure projects, particularly the planned high-speed rail connections between major cities. The term is also very familiar in the context of internet connectivity ('internet de alta velocidade'), which has become increasingly important in urban areas. In Portugal, high-speed trains (Alfa Pendular) are an established and important part of the transportation system.
Synonyms / Sinônimos
rapidfastspeedyquickswift
Antonyms / Antônimos
slowlow-speedsluggishleisurely

Regional Variations

General Brazilian Portuguese
de alta velocidade
Standard term used throughout Brazil for trains and internet
São Paulo
de alta velocidade / rápido
Both terms are commonly used in urban contexts
Portugal
de alta velocidade / de comboio de alta velocidade
Used specifically for train systems; 'comboio' means train in Portuguese Portuguese
Rio de Janeiro
de alta velocidade
Standard usage, also used colloquially as 'rápido demais'

Related Words

velocityaccelerationspeedrapid transitexpress

Related Idioms & Phrases

at high speed - em alta velocidade
high-speed internet - internet de banda larga
high-speed rail - ferrovia de alta velocidade
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