Fast vs Quick vs Rapid

Quando usar cada um em inglês, com significado, registro e exemplos.

Fast

Top 1000 (muito comum)A1adjective

Quick

Top 1000 (muito comum)A1adjective

Rapid

Top 2000 (comum)B2adjective
 FastQuickRapid
Pronúncia🇬🇧 /["/fɑːst/"]/🇺🇸 /["/fæst/"]/🇬🇧 /["/kwɪk/"]/🇺🇸 /["/kwɪk/"]/🇬🇧 //ˈræp.ɪd//🇺🇸 //ˈræp.ɪd//
SignificadoMoving or happening quickly.happening fast or in a short timehappening very quickly
ExemploShe runs very fast when she is late for school.She took a quick glance at the clock.The rapid changes in technology are hard to keep up with.
RegistroNeutroNeutroNeutro
Quão comumTop 1000 (muito comum)Top 1000 (muito comum)Top 2000 (comum)
Nível CEFRA1A1B2
Classe gramaticaladjectiveadjectiveadjective
Colocaçõesbe, seem, extremely, fairly, very, be, seem, extremely, fairly, verybe, seem, become, extremely, fairly, very, at, quick and easy, be, seem, become, extremely, fairly, very, at, quick and easy, be, seem, become, extremely, fairly, very, at, quick and easyrapid response, rapid increase, rapid change
Antônimosslowslow, leisurelyslow, gradual, leisurely
Erros comuns'Fast' is sometimes confused with 'quick' improperly., Learners often forget that 'fast' can be used for both time and physical speed., Some may incorrectly add 'ly' to make it an adverb (fastly).Confused with 'fast' — while similar, 'quick' often implies a short duration., Using 'quicker' instead of 'more quick' — 'quick' forms a comparative like 'quicker'., Mixing up noun and adjective forms; remember 'quick' is an adjective.Confusing with 'quick', which implies speed but may not denote the same urgency., Using 'rapid' in contexts where a slower pace is typical.
Notas de usoUse 'fast' to describe speed, but be cautious when using it with 'to' (as in 'to fast', it means to not eat for a period of time). Appropriate in both written and spoken contexts.Used to describe actions or things that happen with speed. Avoid using in very formal situations; instead, use 'rapid' or 'swift'.Used to describe actions or changes that occur with speed. Suitable for both formal and informal contexts.

Perguntas frequentes: Fast vs Quick vs Rapid

Qual é a diferença entre Fast, Quick e Rapid?

Fast: Moving or happening quickly. Quick: happening fast or in a short time Rapid: happening very quickly

Qual é mais avançada: Fast, Quick e Rapid?

Rapid é o nível mais alto, em B2, na escala CEFR.

Fast, Quick e Rapid estão no mesmo nível CEFR?

Fast: A1, Quick: A1, Rapid: B2 na escala CEFR.

Que classe gramatical são Fast, Quick e Rapid?

Fast: adjective, Quick: adjective, Rapid: adjective.

Pode mostrar um exemplo de cada?

Fast: She runs very fast when she is late for school. Quick: She took a quick glance at the clock. Rapid: The rapid changes in technology are hard to keep up with.

Posso usar Fast, Quick e Rapid de forma intercambiável?

Nem sempre. Fast, Quick e Rapid são relacionadas e às vezes se sobrepõem, mas diferem em registro, frequência e uso, então trocar uma pela outra pode mudar o sentido ou o tom. Veja as diferenças acima antes de substituir.

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