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A2 noun #8,000 am häufigsten 11 Min. Lesezeit

parasita

An organism that lives in or on another organism and benefits by deriving nutrients.

At the A1 level, you should learn 'parasita' as a basic noun for certain animals or bugs. You might hear it when talking about pets, like dogs having fleas or ticks. It is a simple concept: an animal that lives on another animal. At this stage, do not worry about the metaphorical meanings. Just remember that 'o parasita' is the word, and it usually means something small and bad that makes animals sick. You might see it in a simple doctor's office sign or a pet care book. Focus on the spelling (with an 's', not a 'z') and the fact that it ends in 'a' but takes the masculine article 'o'.
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At the A2 level, you begin to use 'parasita' in more varied contexts, such as health and hygiene. You should be able to understand sentences like 'Lave as mãos para evitar parasitas' (Wash your hands to avoid parasites). You also start to see its use as an adjective, like 'doença parasita'. You should know that 'parasita' is a 'substantivo sobrecomum', meaning 'o parasita' is used for both males and females. This is the level where you might first hear it used as a mild insult for someone who is very lazy and lives off others, although 'aproveitador' is more common for beginners to use.
By B1, you should be comfortable using 'parasita' in social and metaphorical contexts. You can discuss themes of movies (like the film 'Parasita') or social issues. You understand the difference between a biological parasite and a social one. You should be able to form more complex sentences, such as 'O sistema econômico cria parasitas que não produzem nada'. You also learn related words like 'hospedeiro' (host) and 'parasitismo' (parasitism). Your pronunciation should be accurate, with the stress on the 'si' syllable (pa-ra-SI-ta).
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At the B2 level, you use 'parasita' with scientific and technical precision. You can explain the life cycle of a parasite or discuss its impact on an ecosystem. You are aware of the political weight the word carries and can use it rhetorically in debates or essays. You understand nuances like 'parasita obrigatório' vs. 'parasita facultativo'. You can also use the word in professional contexts, such as medicine, biology, or even electronics (parasitic signals). Your vocabulary includes synonyms like 'sanguessuga' and you know when to use each for maximum effect.
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At the C1 level, 'parasita' becomes a tool for sophisticated analysis. You can use it in literary criticism to describe a character's role or in political philosophy to discuss state structures. You understand the etymological roots (Greek 'parasitos') and how they influence the word's modern connotations. You can handle the word in complex grammatical structures and idiomatic expressions. You are also sensitive to the dehumanizing potential of the word and use it with careful intent in social commentary. You can distinguish between different types of symbiotic relationships with ease.
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At the C2 level, you have a near-native grasp of 'parasita'. you can use it in highly specialized academic discourse, from evolutionary biology to advanced sociology. You are familiar with archaic or rare uses of the word in classical Portuguese literature. You can play with the word's meaning in creative writing, using it as a central metaphor. You understand the subtle differences in how the word is used across the Lusophone world (Brazil, Portugal, Angola, etc.). You can lead a discussion on the ethics of using biological terms in social science, using 'parasita' as a primary example.
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Beispiele

parasita in 30 Sekunden

  • A biological organism living off a host.
  • A common social insult for freeloaders.
  • Always masculine gender: 'o parasita'.
  • Central theme in modern social cinema.
The Portuguese word parasita is a multifaceted noun and adjective that primarily describes an organism living at the expense of another. In a biological sense, it refers to creatures like ticks, tapeworms, or fleas that derive nutrients from a host. However, its usage extends far beyond the laboratory or the veterinarian's office. In everyday Portuguese, calling someone a parasita is a potent social insult, implying that the individual is a 'freeloader' or 'leech' who benefits from the hard work of others without contributing anything in return. This dual nature makes it a word of high utility, appearing in medical textbooks, news reports on public health, and heated political debates or cinematic critiques.
Biological Context
In biology, a parasita is any organism that establishes a relationship where it benefits while the host is harmed. Examples include 'parasitas intestinais' (intestinal parasites) or 'ectoparasitas' like lice.
Social Context
Metaphorically, it describes people who live off others. If a relative refuses to work and lives entirely on your salary without helping around the house, they might be described as a parasita social.

O carrapato é um parasita comum em animais domésticos que pode transmitir doenças graves.

The term gained significant cultural traction globally following the success of the South Korean film 'Parasite' (translated in Brazil and Portugal as 'Parasita'), which explored class dynamics through this biological metaphor. When using this word, one must be careful; while scientifically neutral, it is highly offensive when applied to humans. It suggests a lack of dignity and a predatory nature. In Portuguese grammar, it is a 'substantivo sobrecomum', meaning the gender of the word remains masculine ('o parasita') even if referring to a female organism or person.

Muitos políticos são acusados de serem parasitas do sistema público, drenando recursos sem oferecer serviços.

Etymological Origin
Derived from the Greek 'parasitos', where 'para' means 'beside' and 'sitos' means 'food' or 'grain'. Literally, it means someone who eats at another's table.

A planta parasita extrai a seiva da árvore hospedeira até que esta enfraqueça.

Understanding the word requires recognizing its weight. In a clinical setting, it is a diagnosis. In a political setting, it is a slur. In a biological setting, it is a survival strategy. This breadth of meaning is why 'parasita' is a core vocabulary word for intermediate learners who wish to move beyond basic descriptions into more nuanced social and scientific discussions. Whether discussing a mosquito or a corrupt official, 'parasita' captures the essence of an asymmetrical, damaging relationship. It is often paired with the word 'hospedeiro' (host), creating a linguistic pair that explains much of the natural and social world.

O médico solicitou um exame de fezes para verificar a presença de algum parasita.

Não seja um parasita; ajude com as despesas da casa se você vai morar aqui.

Using parasita correctly in Portuguese involves understanding its grammatical rigidity and its contextual flexibility. As a noun, it follows the rules of 'substantivos sobrecomuns'. This means that regardless of the biological sex of the subject, the word remains masculine. You would say 'O parasita macho' and 'O parasita fêmea'. This is a common point of confusion for English speakers who are used to gender-neutral nouns. When used as an adjective, it modifies the noun it accompanies, such as 'organismo parasita' or 'relação parasita'.
Subject-Verb Agreement
Even if you are talking about a woman who is acting like a 'freeloader', you must say 'Ela é um parasita'. Using 'uma parasita' is technically incorrect in standard Portuguese, though you may hear it in very informal, uneducated speech.

A malária é causada por um parasita unicelular transmitido por mosquitos.

In scientific writing, 'parasita' is often accompanied by specific classifications. You will encounter 'endoparasitas' (those inside the body) and 'ectoparasitas' (those outside). In these contexts, the tone is objective and clinical. However, in literature or rhetoric, the word takes on a darker, more descriptive tone. Authors use it to describe corrosive relationships or decaying systems.

A economia do país está sendo destruída por parasitas que desviam dinheiro público.

Colloquial Usage
In Brazilian Portuguese, you might hear the term 'encostado' as a synonym for a human parasita, but 'parasita' remains the more aggressive and formal insult.

O vírus não é tecnicamente um parasita, embora dependa de uma célula para se replicar.

Adjectival Function
When used as an adjective, it usually follows the noun. 'Uma planta parasita' (A parasitic plant). Note that in this case, the adjective can agree with the gender of the noun it modifies in some regional variations, but 'parasita' is generally uniform.

Ele vive como um parasita, nunca pagando sua parte da conta.

A pesquisa foca em como o parasita altera o comportamento do hospedeiro.

To sound natural, use 'parasita' when the situation involves a clear 'taker' and 'giver'. It is not just about being lazy; it is about the active extraction of value. In a sentence like 'O governo chamou os sonegadores de impostos de parasitas da nação', the word emphasizes the harm done to the collective body. In medical contexts, always use it with 'hospedeiro' to provide a complete picture of the biological interaction. This word is a bridge between the physical world of biology and the complex world of human ethics and social responsibility.
You will encounter the word parasita in several distinct environments, each giving the word a slightly different flavor. The most common place is in health-related discussions. Brazil and other Portuguese-speaking nations in tropical climates often deal with 'doenças parasitárias'. Public health campaigns frequently mention 'parasitas intestinais' to encourage hand-washing and proper food preparation. In schools, children learn about the life cycles of various 'parasitas' in biology classes.
In the Media
News outlets use the term metaphorically during economic crises. You might hear journalists describe 'empresas parasitas' that only survive through government subsidies without producing real value.

O documentário explora como o parasita se infiltra no formigueiro para sobreviver.

Another major venue for this word is the world of cinema and pop culture. Since the 2019 film 'Parasite' won the Oscar, the word has become a shorthand for discussing class warfare and social inequality in the Portuguese-speaking world. You will hear it in film reviews, university seminars on sociology, and even in casual conversations about the movie's themes.

O filme Parasita mostra que a relação entre as famílias é, no fundo, uma via de mão dupla.

In Politics
Politicians often use 'parasita' to dehumanize their opponents or specific social groups. Conservative rhetoricians might call welfare recipients 'parasitas do estado', while leftist rhetoricians might call billionaire rentiers 'parasitas da classe trabalhadora'.

Durante o debate, o candidato chamou o adversário de parasita da máquina pública.

In Daily Life
You might hear a frustrated parent telling a lazy adult child: 'Você não pode ser um parasita para sempre, precisa arrumar um emprego'. Here, it is used as a harsh wake-up call.

Cuidado com a água do rio; ela pode conter parasitas perigosos para a saúde.

O biólogo explicou que nem todo parasita mata o seu hospedeiro imediatamente.

Finally, in the agricultural sector, farmers and gardeners constantly discuss 'plantas parasitas' (like mistletoe) or 'insetos parasitas' that destroy crops. Whether you are reading a medical journal, watching a political talk show, or trying to fix a garden, 'parasita' is a word that will inevitably surface. It bridges the gap between the microscopic world and the macroscopic structures of human society.
One of the most frequent errors English speakers make with parasita is regarding its grammatical gender. In English, 'parasite' is gender-neutral. In Portuguese, while the word ends in '-a' (which usually suggests femininity), it is a masculine noun. However, it is specifically a 'substantivo sobrecomum', meaning it has a single fixed gender for both males and females.
The Gender Trap
Mistake: 'Ela é uma parasita'. Correct: 'Ela é um parasita'. Even when referring to a woman, the article and the noun remain masculine. This is identical to the word 'vítima' (victim), which is always feminine ('O homem foi a vítima').

A confusão de gênero com a palavra parasita é comum entre estudantes estrangeiros.

Another mistake is confusing 'parasita' with 'paralisia' (paralysis) or 'parasol' (sunshade) due to phonetic similarities. While 'parasita' sounds like it could be related to 'parar' (to stop), its root is entirely different. Additionally, learners often misuse the word by applying it too lightly. In Portuguese-speaking cultures, calling someone a 'parasita' is a very serious accusation. It is much stronger than calling someone 'preguiçoso' (lazy).

Não confunda o parasita biológico com uma simples bactéria comensal.

Spelling and Pronunciation
In English, the stress is on the first syllable (PAR-a-site). In Portuguese, the stress is on the penultimate syllable (pa-ra-SI-ta). Pronouncing it with English stress will make you unintelligible to native speakers.

Pronunciar parasita com o acento na primeira sílaba é um erro de prosódia.

Confusion with 'Hospedeiro'
Sometimes learners swap the roles. Remember: the 'parasita' takes, and the 'hospedeiro' (host) gives (usually unwillingly). In a hotel, you are the 'hóspede' (guest), which is a 'false friend' to 'host' in some contexts, but 'hospedeiro' is the biological term for host.

O parasita depende totalmente do seu hospedeiro para completar o ciclo de vida.

Muitos alunos escrevem 'parazita' com 'z', mas a forma correta é sempre com 's'.

Finally, do not assume that all symbiotic relationships are parasitic. In Portuguese, 'simbiose' is the general term. If both benefit, it is 'mutualismo'. If one benefits and the other is unaffected, it is 'comensalismo'. Using 'parasita' incorrectly to describe a mutually beneficial relationship shows a lack of scientific precision. Keep 'parasita' for the one-sided, harmful interactions.
While parasita is a strong and specific word, Portuguese offers several alternatives depending on the context and the level of formality you wish to convey. Understanding these nuances will help you sound more like a native speaker and allow you to tailor your message.
Sanguessuga (Leech)
This is perhaps the closest metaphorical synonym. While a 'parasita' might be small and unseen, a 'sanguessuga' implies a more active, aggressive 'sucking' of resources. It is often used for people who drain others' money or energy.

Aquele empresário é uma verdadeira sanguessuga dos seus funcionários.

Aproveitador (Opportunist/Freeloader)
This is a milder, more common term for someone who takes advantage of situations or people. It is less 'biological' and more 'behavioral'. If someone always 'forgets' their wallet when the bill comes, they are an 'aproveitador'.

Não seja um aproveitador; contribua com o trabalho do grupo.

O biólogo comparou o comportamento do parasita ao de um vírus informático.

Encostado (Slacker/Freeloader - Brazil)
In Brazilian slang, an 'encostado' is someone who leans on others for support. It is very common in family contexts to describe a relative who won't move out or get a job. It is less clinical than 'parasita'.

Ele está encostado na casa dos pais há dez anos, sem fazer nada.

Hóspede Indesejado (Unwanted Guest)
A more polite or literary way to describe a parasite. It emphasizes the 'host' relationship but uses a more domestic metaphor. It is often used for things like tumors or invasive species.

A erva-de-passarinho é um hóspede indesejado em muitas árvores frutíferas.

A relação entre o parasita e o hospedeiro é um exemplo clássico de coevolução.

Choosing between these words depends on your goal. If you are writing a scientific paper, 'parasita' is mandatory. If you are complaining about a roommate who never buys milk, 'aproveitador' is more natural. If you are writing a political manifesto against corruption, 'parasita' or 'sanguessuga' will provide the necessary emotional punch. By mastering these alternatives, you gain the ability to navigate the social hierarchies and biological complexities of the Portuguese-speaking world with precision and flair.
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Beispiele nach Niveau

1

O meu cão tem um parasita.

My dog has a parasite.

Noun 'parasita' is masculine.

2

O gato precisa de remédio para o parasita.

The cat needs medicine for the parasite.

Use 'para o' before 'parasita'.

3

Este bicho é um parasita?

Is this bug a parasite?

Question form.

4

O parasita é muito pequeno.

The parasite is very small.

Adjective 'pequeno' agrees with 'parasita'.

5

Eu vi um parasita na pele do boi.

I saw a parasite on the ox's skin.

Preposition 'na' (em + a).

6

Não toque no parasita.

Do not touch the parasite.

Imperative negative.

7

O parasita vive no corpo do animal.

The parasite lives in the animal's body.

Verb 'viver' in present tense.

8

Existem muitos tipos de parasita.

There are many types of parasite.

Plural 'muitos tipos'.

1

Lave as mãos para não pegar um parasita.

Wash your hands so you don't catch a parasite.

Purpose clause with 'para'.

2

O médico disse que eu tenho um parasita intestinal.

The doctor said I have an intestinal parasite.

Adjective 'intestinal' modifies 'parasita'.

3

A pulga é um parasita comum em cães.

The flea is a common parasite in dogs.

Defining a noun.

4

Aquele homem é um parasita, não trabalha nunca.

That man is a parasite, he never works.

Metaphorical use.

5

Ela é um parasita da família.

She is a parasite of the family.

Note: 'um parasita' even for a female.

6

O remédio mata o parasita rapidamente.

The medicine kills the parasite quickly.

Adverb 'rapidamente'.

7

Muitas doenças são causadas por um parasita.

Many diseases are caused by a parasite.

Passive voice.

8

O parasita precisa de um hospedeiro.

The parasite needs a host.

Verb 'precisar de'.

1

O filme 'Parasita' ganhou muitos prêmios internacionais.

The movie 'Parasite' won many international awards.

Proper noun context.

2

A relação entre eles é parasita e tóxica.

The relationship between them is parasitic and toxic.

Adjective use.

3

Não podemos permitir que parasitas sociais destruam o país.

We cannot allow social parasites to destroy the country.

Subjunctive mood 'destruam'.

4

O parasita se alimenta do sangue do hospedeiro.

The parasite feeds on the host's blood.

Reflexive verb 'se alimentar'.

5

A planta parasita cresce sobre a árvore.

The parasitic plant grows over the tree.

Noun + adjective phrase.

6

Ele vive como um parasita às custas dos outros.

He lives like a parasite at the expense of others.

Idiom 'às custas de'.

7

A pesquisa foca no ciclo de vida do parasita.

The research focuses on the life cycle of the parasite.

Verb 'focar em'.

8

O governo quer eliminar os parasitas da administração pública.

The government wants to eliminate the parasites from the public administration.

Political metaphor.

1

A malária é uma das doenças parasitárias mais letais do mundo.

Malaria is one of the most lethal parasitic diseases in the world.

Adjective 'parasitária'.

2

O parasita manipula o comportamento do seu hospedeiro para sobreviver.

The parasite manipulates its host's behavior to survive.

Complex subject-verb relationship.

3

A corrupção age como um parasita no corpo social.

Corruption acts like a parasite in the social body.

Simile with 'como'.

4

Muitos investidores são vistos como parasitas do mercado financeiro.

Many investors are seen as parasites of the financial market.

Passive 'são vistos'.

5

O estudo descreve a evolução conjunta do parasita e do hospedeiro.

The study describes the joint evolution of the parasite and the host.

Technical vocabulary.

6

A interferência parasita afetou a qualidade do sinal de rádio.

The parasitic interference affected the quality of the radio signal.

Technical use in physics/electronics.

7

É necessário identificar o parasita antes de prescrever o tratamento.

It is necessary to identify the parasite before prescribing treatment.

Infinitive 'identificar'.

8

O carrapato é um ectoparasita que se fixa na pele.

The tick is an ectoparasite that attaches to the skin.

Prefix 'ecto-'.

1

A retórica política frequentemente utiliza o termo parasita para desumanizar opositores.

Political rhetoric frequently uses the term parasite to dehumanize opponents.

Abstract noun 'retórica'.

2

A simbiose pode transitar para o parasitismo dependendo das condições ambientais.

Symbiosis can transition to parasitism depending on environmental conditions.

Noun 'parasitismo'.

3

O autor utiliza a metáfora do parasita para criticar a aristocracia decadente.

The author uses the metaphor of the parasite to criticize the decadent aristocracy.

Literary analysis.

4

Existe uma linha tênue entre a dependência mútua e a exploração parasita.

There is a thin line between mutual dependence and parasitic exploitation.

Abstract concept 'linha tênue'.

5

O ensaio discute se o Estado é um parasita da sociedade civil.

The essay discusses whether the State is a parasite of civil society.

Indirect question 'se'.

6

A carga parasitária no gado reduziu a produção de leite significativamente.

The parasite load in the cattle reduced milk production significantly.

Compound term 'carga parasitária'.

7

A arquitetura parasita propõe novas estruturas acopladas a edifícios existentes.

Parasitic architecture proposes new structures attached to existing buildings.

Specialized field terminology.

8

O comportamento parasita do vírus desafia as definições tradicionais de vida.

The parasitic behavior of the virus challenges traditional definitions of life.

Complex noun phrase.

1

A ontologia do parasita revela a interdependência radical de todos os seres vivos.

The ontology of the parasite reveals the radical interdependence of all living beings.

Philosophical term 'ontologia'.

2

Michel Serres, em sua obra, analisa o parasita como o motor da mudança social.

Michel Serres, in his work, analyzes the parasite as the motor of social change.

Academic reference.

3

A virulência do parasita é inversamente proporcional à resistência do hospedeiro.

The parasite's virulence is inversely proportional to the host's resistance.

Scientific law structure.

4

O discurso de ódio frequentemente se apropria de termos biológicos como 'parasita' para justificar a exclusão.

Hate speech frequently appropriates biological terms like 'parasite' to justify exclusion.

Sociolinguistic analysis.

5

A coevolução antagonista entre parasita e hospedeiro é um dos processos mais dinâmicos da natureza.

Antagonistic coevolution between parasite and host is one of nature's most dynamic processes.

High-level biology terminology.

6

O conceito de 'capitalismo parasita' descreve a extração de valor sem a criação de riqueza real.

The concept of 'parasitic capitalism' describes the extraction of value without the creation of real wealth.

Political-economic theory.

7

A subjetividade moderna é, por vezes, descrita como inerentemente parasita de estruturas passadas.

Modern subjectivity is sometimes described as inherently parasitic on past structures.

Post-modern critique.

8

A erradicação de um parasita endêmico requer uma coordenação transnacional sem precedentes.

The eradication of an endemic parasite requires unprecedented transnational coordination.

Global health policy language.

Häufige Kollokationen

parasita intestinal
planta parasita
parasita social
hospedeiro do parasita
ciclo do parasita
eliminar o parasita
infestação de parasitas
parasita obrigatório
relação parasita
doença parasitária

Häufige Phrasen

Viver como um parasita

Ser um parasita do sistema

Parasita da sociedade

Remédio contra parasitas

Carga parasitária

Hospedeiro intermediário

Parasita de estimação

Comportamento parasita

Luta contra parasitas

Infecção por parasita

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