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B1 verb 9 Min. Lesezeit

erradicar

Beispiele erradicar in 30 Sekunden
Erklärung erradicar in your Level:
At the A1 level, you don't need to use 'erradicar' often, but it's good to know it means 'to finish something completely.' Imagine you have a very big problem, like no food for people. If a hero comes and makes the problem go away forever, they 'erradicar' the hunger. It is like 'acabar' (to finish) but much stronger and for very important things. You might see it in simple news titles about health or helping poor people. It is a long word, but it looks like 'eradicate' in English, which helps you remember it. Just remember: it's for big, bad things you want to stop forever.
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At the A2 level, you can start to recognize 'erradicar' as a formal way to say 'eliminate.' You will see it in texts about the environment or health. For example, 'O governo quer erradicar a malária.' This means the government wants to stop the disease completely so no one gets sick anymore. It's a regular '-ar' verb, so you conjugate it like 'falar' or 'estudar.' In your writing, you can use it to sound more serious when talking about global problems. Remember that it's a 'strong' word—you don't erradicar a small mistake in your homework; you 'corrigir' (correct) it.
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At the B1 level, 'erradicar' is a key vocabulary word for discussing social issues and current events. It implies a definitive action of 'pulling something out by the roots.' You should use it when writing essays about poverty, education, or health. It's important to distinguish it from 'eliminar' (which can be temporary) and 'extinguir' (often used for animals or fires). When you use 'erradicar,' you are emphasizing that the cause of the problem is being addressed, not just the symptoms. Practice using it in the passive voice ('A varíola foi erradicada') and the infinitive after auxiliary verbs ('Precisamos erradicar...').
At the B2 level, you should be comfortable using 'erradicar' in both literal and metaphorical contexts. Literally, it refers to the total destruction of a pathogen or pest. Metaphorically, it can refer to removing deep-seated habits, corruption, or systemic biases. You should notice how it collocations with abstract nouns like 'preconceito' (prejudice) or 'vício' (vice). At this level, you should also be aware of the noun form 'erradicação.' Using 'erradicar' correctly demonstrates a high register and a nuanced understanding of Portuguese semantics, particularly in academic or professional settings.
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At the C1 level, 'erradicar' is a tool for precision in discourse. You should understand its etymological weight and use it to contrast with 'mitigação' (mitigation) or 'contenção' (containment). In complex debates, you might discuss the feasibility of 'erradicar' certain social evils versus merely managing them. You should also be familiar with related terms like 'extirpar' and know when one is more stylistically appropriate than the other. Your use of 'erradicar' should be seamless in high-level writing, such as policy proposals or philosophical critiques, where the finality of the word adds rhetorical power to your arguments.
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At the C2 level, you possess a masterly command of 'erradicar,' using it with total awareness of its historical and scientific connotations. You can use it in highly literary contexts to describe the internal process of 'erradicating' a memory or a desire, or in technical scientific papers regarding epidemiology. You understand the subtle shift in meaning when the word is used in different lusophone cultures (Portugal vs. Brazil vs. Angola). You can play with the word's intensity, perhaps using it ironically in a sophisticated critique or with absolute gravity in a humanitarian manifesto. It is no longer just a verb to you, but a concept of absolute termination.
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Beispiele

erradicar in 30 Sekunden

  • Erradicar is a formal Portuguese verb meaning 'to eradicate' or 'to pull out by the roots.'
  • It is used for the total and permanent elimination of significant issues like diseases, poverty, or pests.
  • The word carries a sense of finality and systemic change, going beyond temporary fixes.
  • It is a regular -ar verb, but requires 'qu' in the first-person past (erradiquei).
The Portuguese verb erradicar is a powerful, formal term that literally translates to 'to pull out by the roots.' Derived from the Latin word radix (root), it implies a total and definitive elimination of something undesirable. When you use this word, you are not just talking about reducing or managing a problem; you are talking about its complete and utter destruction so that it can never return. In contemporary Portuguese, it is most frequently encountered in serious contexts such as public health, social policy, and environmental science. For example, a government might launch a campaign to erradicar a varíola (eradicate smallpox) or to erradicar o analfabetismo (eradicate illiteracy). It carries a weight of finality and ambition.
Etymological Root
The prefix 'ex-' (out) combined with 'radicare' (to root) emphasizes the physical action of pulling a plant out so completely that no part of the root system remains in the soil.

A Organização Mundial da Saúde trabalha arduamente para erradicar doenças tropicais negligenciadas em comunidades rurais.

Social Context
In political discourse, 'erradicar' is a buzzword for social justice, often paired with 'pobreza extrema' (extreme poverty) or 'fome' (hunger).

Precisamos de políticas públicas eficazes para erradicar o trabalho infantil no país.

O uso de pesticidas foi necessário para erradicar a praga que destruía as plantações de café.

Scientific Precision
In biology, it refers to the complete extinction of a pathogen or species in a specific geographic area or globally.

Cientistas buscam novas vacinas para erradicar o vírus da malária.

É impossível erradicar o preconceito sem educação de base e conscientização social.

Understand that 'erradicar' is a transitive direct verb, meaning it directly acts upon its object without the need for a preposition like 'de' or 'em' immediately following the verb itself, although you often erradicar something *from* a place. It is a regular first-conjugation verb (-ar), making it relatively easy for learners to conjugate across all tenses.
Using erradicar correctly requires understanding its level of intensity. It is not a word for casual, everyday annoyances. Instead, it is used for grand-scale actions. Structurally, the verb follows the pattern: [Subject] + [erradicar] + [Object]. For example: 'A vacinação pode erradicar a pólio.' Here, 'A vacinação' is the subject, and 'a pólio' is the direct object.
Grammar Tip
In the passive voice, which is common in news reports, you will see: 'A doença foi erradicada.' (The disease was eradicated). Note the gender agreement with the past participle.

O governo prometeu erradicar as favelas, mas o projeto enfrentou muitos obstáculos financeiros.

Common Collocations
Erradicar a fome, erradicar a pobreza, erradicar o vírus, erradicar a corrupção, erradicar o crime organizado.

O objetivo principal da nova lei é erradicar a exploração de trabalhadores em regime de escravidão moderna.

Para erradicar a dengue, é fundamental eliminar os focos de água parada em todas as residências.

Prepositional Usage
While the verb is transitive, you often add 'do mundo' (from the world) or 'da sociedade' (from society) to specify the scope of the eradication.

O sonho da humanidade é erradicar o sofrimento desnecessário causado pela guerra.

Se não conseguirmos erradicar a corrupção, o país nunca alcançará seu pleno potencial econômico.

When conjugating, remember it follows the 'falar' pattern: eu erradico, tu erradicas, ele erradica, nós erradicamos, vós erradicais, eles erradicam. In the past tense (Pretérito Perfeito), it is: eu erradiquei, tu erradicaste, ele erradicou. Note the 'qu' in 'erradiquei' to maintain the hard 'c' sound before the 'e'.
You are most likely to hear erradicar in formal news broadcasts, particularly during reports on health crises or global summits. In Portugal and Brazil, the Jornal Nacional or Telejornal frequently uses it when discussing UN (ONU) goals or national health campaigns. It is a staple of political oratory. When a president takes office, they often promise to 'erradicar a miséria' (eradicate misery).
News Media
Headlines often use the infinitive or the past participle: 'Brasil busca erradicar febre aftosa' or 'Poliomielite está próxima de ser erradicada'.

A reportagem especial de hoje discute os desafios para erradicar a malária na Amazônia.

Documentaries
Environmental documentaries use it when discussing invasive species: 'É preciso erradicar o javali para proteger a fauna local'.

O narrador explicou que erradicar as espécies invasoras é uma tarefa hercúlea para os biólogos.

Durante o debate, o candidato afirmou que sua prioridade é erradicar o déficit habitacional na capital.

Educational Settings
Teachers use it when discussing history or sociology, such as 'erradicar o sistema feudal'.

O professor de história destacou os esforços do século XIX para erradicar a escravidão nas Américas.

No fórum internacional, os líderes discutiram como erradicar o extremismo violento através da educação.

It is also common in medical consultation if a doctor is discussing a persistent fungal infection or a bacterial colony: 'Precisamos de um tratamento forte para erradicar essa bactéria do seu organismo.' This use is more personal but still clinical in tone.
The most frequent mistake learners make with erradicar is using it for small, temporary problems. Because it translates to 'eradicate,' some English speakers might think it's interchangeable with 'get rid of' (livrar-se de) or 'finish' (acabar com). However, 'erradicar' implies a permanent, systemic removal. For example, you wouldn't say 'Eu quero erradicar meu cansaço' (I want to eradicate my tiredness) unless you are being extremely dramatic; 'acabar com meu cansaço' is better.
Mistake 1: Register Mismatch
Using it in casual conversation. If you say you want to 'erradicar' the weeds in your small garden, it sounds like you're launching a military operation. Use 'arrancar' or 'tirar' instead.

Errado: Vou erradicar este lixo da cozinha. Correto: Vou tirar este lixo da cozinha.

Mistake 2: Confusing with 'Extinguir'
While similar, 'extinguir' is often used for fires (extinguir o fogo) or species going extinct (espécies extintas). 'Erradicar' is the action taken *to* make something extinct.

Não diga 'erradicar o fogo' a menos que você queira dizer que nunca mais haverá fogo naquele lugar; use 'apagar' ou 'extinguir'.

Confusão comum: erradicar vs. excluir. Excluir means to exclude or delete (like a file), not to destroy the root cause.

Mistake 3: Overusing the Passive Voice
While 'foi erradicada' is common, try to use active subjects in writing to make it more dynamic: 'A campanha erradicou a doença' sounds stronger than 'A doença foi erradicada pela campanha'.

Evite: 'O problema foi buscado ser erradicado'. Prefira: 'O governo buscou erradicar o problema'.

Cuidado com a concordância: 'As pragas foram erradicadas' (feminine plural) vs. 'Os vírus foram erradicados' (masculine plural).

Finally, ensure you don't confuse it with 'irradiar' (to radiate/emit). They sound somewhat similar but have completely opposite meanings—one is about removing something, the other is about spreading something out.
There are several words in Portuguese that overlap with erradicar, but each has its own flavor. Understanding these nuances will help you sound more like a native speaker.
Extirpar
This is very close to 'erradicar' and is often used in medical contexts (extirpar um tumor) or for removing deep-seated evils. It has a more surgical or violent connotation.
Eliminar
The most general term. You can eliminate a competitor, a possibility, or a stain. It doesn't necessarily imply 'pulling by the roots' like 'erradicar' does.
Aniquilar
Means 'to annihilate' or reduce to nothing. It is much more aggressive and often associated with warfare or total destruction of an enemy.

Enquanto erradicar foca na remoção permanente, 'suprimir' foca em conter ou esconder algo (como suprimir a liberdade de expressão).

Extinguir
Used for lights, fires, debts, or biological species. 'Extinguir uma dívida' means to pay it off completely.

Para problemas menores, use 'acabar com'. Exemplo: 'Vou acabar com essa bagunça' (I'm going to end this mess).

Se o foco é na remoção de algo físico de uma superfície, prefira 'remover' ou 'limpar'.

Destruir
A common word meaning 'to destroy.' While 'erradicar' is a type of destruction, it is specifically targeted at the origin or root of a problem.

A diferença entre erradicar e 'mitigar' é crucial: mitigar apenas diminui os efeitos, enquanto erradicar remove a causa.

Em contextos formais, 'extirpar' e 'erradicar' são frequentemente usados como sinônimos perfeitos em relação a males sociais.

Choosing the right word depends on the scale of what you are removing. If it's a worldwide disease, 'erradicar' is your only choice. If it's a fly in the room, 'matar' (to kill) or 'espantar' (to shoo away) is much more appropriate.
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Beispiele nach Niveau

1

Eles querem erradicar a fome no mundo.

They want to eradicate hunger in the world.

Simple present tense with 'querer' + infinitive.

2

A vacina ajuda a erradicar a doença.

The vaccine helps to eradicate the disease.

Subject 'A vacina' is singular.

3

É difícil erradicar a pobreza.

It is difficult to eradicate poverty.

Impersonal expression 'É difícil' + infinitive.

4

Nós vamos erradicar o vírus.

We are going to eradicate the virus.

Future with 'ir' + infinitive.

5

O plano é erradicar o lixo nas ruas.

The plan is to eradicate the trash in the streets.

Noun phrase 'O plano' followed by 'ser' + infinitive.

6

Muitos países tentam erradicar a malária.

Many countries try to eradicate malaria.

Present tense of 'tentar' + infinitive.

7

Como podemos erradicar este problema?

How can we eradicate this problem?

Interrogative with 'poder' + infinitive.

8

Eu quero erradicar a tristeza hoje.

I want to eradicate the sadness today.

Metaphorical use in a simple sentence.

1

O governo está trabalhando para erradicar o analfabetismo.

The government is working to eradicate illiteracy.

Present continuous 'está trabalhando'.

2

Antigamente, era impossível erradicar certas doenças.

In the past, it was impossible to eradicate certain diseases.

Imperfect tense 'era' for past descriptions.

3

Se todos ajudarem, podemos erradicar a dengue.

If everyone helps, we can eradicate dengue.

Conditional 'se' with future subjunctive 'ajudarem'.

4

A cidade conseguiu erradicar os ratos do centro.

The city managed to eradicate the rats from the center.

Pretérito perfeito 'conseguiu'.

5

Você acha que vamos erradicar o crime um dia?

Do you think we will eradicate crime one day?

Question using 'achar' + future construction.

6

Eles erradicaram a praga das plantações de milho.

They eradicated the pest from the corn plantations.

Pretérito perfeito 'erradicaram'.

7

Precisamos de novas leis para erradicar o fumo em locais públicos.

We need new laws to eradicate smoking in public places.

Infinitive after 'precisamos de'.

8

A educação é a chave para erradicar o preconceito.

Education is the key to eradicating prejudice.

Metaphorical usage with abstract noun.

1

A varíola foi erradicada do mundo em 1980.

Smallpox was eradicated from the world in 1980.

Passive voice 'foi erradicada' with past date.

2

Muitas ONGs lutam para erradicar o trabalho escravo no Brasil.

Many NGOs fight to eradicate slave labor in Brazil.

Present tense 'lutam' + purpose clause.

3

É fundamental erradicar a corrupção para o país crescer.

It is fundamental to eradicate corruption for the country to grow.

Impersonal 'É fundamental' + infinitive.

4

O cientista dedicou sua vida a tentar erradicar o câncer.

The scientist dedicated his life to trying to eradicate cancer.

Pretérito perfeito 'dedicou' + 'a' + infinitive.

5

Se não erradicarmos o mosquito, a epidemia continuará.

If we don't eradicate the mosquito, the epidemic will continue.

Future subjunctive 'erradicarmos'.

6

O projeto visa erradicar a violência doméstica nas periferias.

The project aims to eradicate domestic violence in the outskirts.

Verb 'visar' (to aim) + infinitive.

7

Eles não conseguiram erradicar a erva-daninha do jardim totalmente.

They couldn't eradicate the weed from the garden completely.

Negative 'não conseguiu' + adverb 'totalmente'.

8

A tecnologia pode nos ajudar a erradicar erros humanos no processo.

Technology can help us eradicate human errors in the process.

Modal verb 'pode' + helper 'ajudar a'.

1

A erradicação da poliomielite é uma das maiores conquistas da medicina.

The eradication of polio is one of medicine's greatest achievements.

Noun form 'erradicação'.

2

O governo implementou medidas drásticas para erradicar a inflação.

The government implemented drastic measures to eradicate inflation.

Use of 'implementou' and 'medidas drásticas'.

3

Ainda não fomos capazes de erradicar o racismo estrutural da nossa sociedade.

We have not yet been able to eradicate structural racism from our society.

Compound tense 'fomos capazes de'.

4

O uso intensivo de agrotóxicos visa erradicar as pragas, mas prejudica o solo.

The intensive use of pesticides aims to eradicate pests but harms the soil.

Contrast using 'mas'.

5

Espero que as novas gerações consigam erradicar esse tipo de comportamento.

I hope the new generations manage to eradicate this type of behavior.

Subjunctive 'consigam' after 'espero que'.

6

Para erradicar a desigualdade, precisamos de uma reforma tributária justa.

To eradicate inequality, we need a fair tax reform.

Purpose clause at the start of the sentence.

7

A empresa está tentando erradicar o desperdício de papel no escritório.

The company is trying to eradicate paper waste in the office.

Present continuous 'está tentando'.

8

O software foi desenhado para erradicar falhas de segurança no sistema.

The software was designed to eradicate security flaws in the system.

Passive voice 'foi desenhado'.

1

A tentativa de erradicar a cultura indígena foi um dos capítulos mais sombrios da história.

The attempt to eradicate indigenous culture was one of the darkest chapters in history.

Complex noun phrase 'A tentativa de erradicar'.

2

O autor defende que é impossível erradicar o mal, apenas contê-lo.

The author argues that it is impossible to eradicate evil, only to contain it.

Contrast between 'erradicar' and 'conter'.

3

A política externa busca erradicar as barreiras comerciais entre os dois blocos.

Foreign policy seeks to eradicate trade barriers between the two blocks.

Formal register 'política externa'.

4

Erradicar a dependência química exige uma abordagem multidisciplinar complexa.

Eradicating chemical dependency requires a complex multidisciplinary approach.

Gerund-like use of infinitive as subject.

5

O objetivo de erradicar a pobreza extrema até 2030 parece cada vez mais distante.

The goal of eradicating extreme poverty by 2030 seems increasingly distant.

Adverbial phrase 'cada vez mais'.

6

Ao erradicar o foco da infecção, o paciente apresentou uma melhora súbita.

Upon eradicating the focus of the infection, the patient showed a sudden improvement.

Prepositional infinitive 'Ao erradicar' (Upon eradicating).

7

A censura tentou erradicar o pensamento crítico, mas falhou miseravelmente.

Censorship tried to eradicate critical thinking, but failed miserably.

Personification of 'A censura'.

8

É utópico pensar que podemos erradicar todos os riscos de uma operação financeira.

It is utopian to think that we can eradicate all risks of a financial operation.

Adjective 'utópico' + 'pensar que'.

1

A ontologia da obra sugere uma busca incessante por erradicar a finitude humana.

The ontology of the work suggests an incessant search to eradicate human finiteness.

Highly academic register with 'ontologia' and 'finitude'.

2

O discurso visava erradicar quaisquer vestígios de dissidência dentro do partido.

The speech aimed to eradicate any traces of dissent within the party.

Plural 'quaisquer' (any) with 'vestígios'.

3

A erradicação total do vírus exigiria uma coordenação geopolítica sem precedentes.

The total eradication of the virus would require unprecedented geopolitical coordination.

Conditional 'exigiria' for hypothetical scenarios.

4

Subjaz àquela teoria o desejo de erradicar a subjetividade em prol da razão pura.

Underlying that theory is the desire to eradicate subjectivity in favor of pure reason.

Inverted sentence structure with 'Subjaz'.

5

Não se pode simplesmente erradicar séculos de tradição com um único decreto legislativo.

One cannot simply eradicate centuries of tradition with a single legislative decree.

Impersonal 'se' construction.

6

A psicanálise busca erradicar o trauma através da catarse e da elaboração verbal.

Psychoanalysis seeks to eradicate trauma through catharsis and verbal elaboration.

Technical psychological terminology.

7

O imperativo moral de erradicar a injustiça sobrepõe-se a interesses econômicos imediatos.

The moral imperative to eradicate injustice overrides immediate economic interests.

Pronominal verb 'sobrepor-se'.

8

A erradicação de espécies nativas em prol do agronegócio é uma tragédia ecológica.

The eradication of native species in favor of agribusiness is an ecological tragedy.

Noun form as subject in a complex sentence.

Häufige Kollokationen

erradicar a fome
erradicar a pobreza
erradicar uma doença
erradicar o analfabetismo
erradicar a corrupção
erradicar pragas
erradicar o preconceito
erradicar o crime
erradicar de vez
erradicar do mapa

Häufige Phrasen

erradicar o mal pela raiz

— To solve a problem by dealing with its fundamental cause.

Para resolver a violência, precisamos erradicar o mal pela raiz.

erradicar a miséria

— A common political promise to end extreme poverty.

O presidente prometeu erradicar a miséria em seu mandato.

erradicar o vírus

— Used in health campaigns for total elimination of a pathogen.

O objetivo da quarentena é erradicar o vírus da região.

erradicar o vício

— To completely stop a habit or addiction.

Ele está em uma clínica para tentar erradicar o vício em drogas.

erradicar a injustiça

— A moral or social goal to remove unfairness.

Lutamos diariamente para erradicar a injustiça social.

erradicar o desperdício

— To eliminate the act of wasting resources.

A nova gestão quer erradicar o desperdício de energia.

erradicar a desigualdade

— To remove the gap between social classes.

Não é fácil erradicar a desigualdade em países grandes.

erradicar a violência

— To stop violent acts in a specific area or group.

Campanhas nas escolas buscam erradicar a violência infantil.

erradicar a ignorância

— To spread knowledge and remove lack of education.

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