C1 Collocation Formal

Sustentar uma tese

Sustain a thesis

Meaning

To support or defend a particular argument or theory.

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Cultural Background

In Brazil, the 'Tese de Doutorado' is a massive event. Families often attend the public defense, and it is treated with the solemnity of a graduation ceremony. Portugal has some of the oldest universities in the world (like Coimbra). The language used in 'sustentação' is often extremely traditional and formal, using archaic honorifics. In both countries, 'sustentação oral' is a specific legal procedure where lawyers speak directly to judges in higher courts to defend their 'tese'. There is a distinction between 'dissertação' (Master's) and 'tese' (PhD). You 'sustenta' both, but 'tese' carries more weight.

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Use in Essays

In the Brazilian 'ENEM' or 'Vestibular' essays, using 'sustentar a tese' instead of 'mostrar minha ideia' will immediately boost your vocabulary score.

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Don't Overuse

If you use this in a casual chat, you'll sound like you're trying too hard. Stick to 'eu acho' with friends.

Meaning

To support or defend a particular argument or theory.

🎯

Use in Essays

In the Brazilian 'ENEM' or 'Vestibular' essays, using 'sustentar a tese' instead of 'mostrar minha ideia' will immediately boost your vocabulary score.

⚠️

Don't Overuse

If you use this in a casual chat, you'll sound like you're trying too hard. Stick to 'eu acho' with friends.

💬

The 'Banca'

Remember that 'sustentar uma tese' usually implies a 'banca' (a committee) is watching and judging you.

Test Yourself

Preencha a lacuna com a forma correta do verbo 'sustentar'.

Ontem, o pesquisador _______ sua tese com muito sucesso.

✓ Correct! ✗ Not quite. Correct answer: sustentou

The word 'Ontem' (Yesterday) requires the Pretérito Perfeito (sustentou).

Qual é a preposição correta para seguir a frase?

Ela sustenta a tese ___ que a arte é essencial para a saúde mental.

✓ Correct! ✗ Not quite. Correct answer: de

The standard collocation is 'tese de que'.

Em qual situação o uso de 'sustentar uma tese' é MAIS apropriado?

Escolha a melhor opção:

✓ Correct! ✗ Not quite. Correct answer: Defendendo um doutorado na universidade.

This is a formal academic phrase perfectly suited for a PhD (doutorado) defense.

Complete o diálogo formal.

Juiz: 'Como o senhor pretende provar isso?' Advogado: 'Eu pretendo _______ a tese de que o contrato foi falsificado.'

✓ Correct! ✗ Not quite. Correct answer: sustentar

'Sustentar' is the professional legal term for defending a theory in court.

🎉 Score: /4

Visual Learning Aids

Practice Bank

4 exercises
Preencha a lacuna com a forma correta do verbo 'sustentar'. Fill Blank B1

Ontem, o pesquisador _______ sua tese com muito sucesso.

✓ Correct! ✗ Not quite. Correct answer: sustentou

The word 'Ontem' (Yesterday) requires the Pretérito Perfeito (sustentou).

Qual é a preposição correta para seguir a frase? Choose B2

Ela sustenta a tese ___ que a arte é essencial para a saúde mental.

✓ Correct! ✗ Not quite. Correct answer: de

The standard collocation is 'tese de que'.

Em qual situação o uso de 'sustentar uma tese' é MAIS apropriado? situation_matching A2

Escolha a melhor opção:

✓ Correct! ✗ Not quite. Correct answer: Defendendo um doutorado na universidade.

This is a formal academic phrase perfectly suited for a PhD (doutorado) defense.

Complete o diálogo formal. dialogue_completion B1

Juiz: 'Como o senhor pretende provar isso?' Advogado: 'Eu pretendo _______ a tese de que o contrato foi falsificado.'

✓ Correct! ✗ Not quite. Correct answer: sustentar

'Sustentar' is the professional legal term for defending a theory in court.

🎉 Score: /4

Frequently Asked Questions

10 questions

No, while it's the standard term for PhDs, it's also used by lawyers, journalists, and anyone making a formal, evidence-based argument.

Yes, but it sounds very formal. It implies you have strong reasons for that opinion.

'Sustentar' focuses on the logical support (the pillars), while 'defender' focuses on protecting the idea from attacks.

Yes, it is equally common and formal in both countries.

You could say 'defender uma ideia' or 'provar o que eu digo'.

In this phrase, 'tese' can mean a single proposition or a main argument, not necessarily a 300-page book.

It's a 'weak thesis'—an argument that doesn't have enough evidence to be 'sustained'.

Yes, if you are explaining a complex strategy or a decision you made based on data.

It is pronounced like a 'z' (/z/): 'TE-ze'.

'Refutar uma tese' (to refute) or 'abandonar uma tese' (to give up on an argument).

Related Phrases

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Defender um ponto de vista

similar

To defend a point of view.

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Fundamentar um argumento

builds on

To provide the foundation for an argument.

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Derrubar uma tese

contrast

To knock down/disprove a thesis.

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Sustentação oral

specialized form

Oral argument in court.

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