100 palavras acadêmicas do TOEFL
Vocabulário organizado por função discursiva (argumento, refutação, evidência, contraste). Estude 15 por dia em 1 semana e veja sua banda de Reading e Writing subir 1–2 pontos.
1. Para introduzir um argumento
Use no Speaking, Writing e identifique no Reading/Listening como sinais de tese.
| Inglês | Português | Exemplo |
|---|---|---|
| contend | sustentar, alegar | The author contends that climate change is anthropogenic. |
| posit | postular, propor | Researchers posit that the universe is expanding. |
| maintain | manter, sustentar | He maintains that the policy is effective. |
| claim | afirmar | She claims that the data supports her hypothesis. |
| assert | afirmar com firmeza | The report asserts that growth has slowed. |
| propose | propor | Scientists propose a new model. |
| argue | argumentar | The lecturer argues against this view. |
| suggest | sugerir | Evidence suggests a different conclusion. |
| hold | sustentar (uma posição) | Many experts hold this view. |
| advocate | defender | Critics advocate for reform. |
2. Para refutar / contradizer
Críticas para Integrated Writing e Listening (lectures que refutam o reading).
| Inglês | Português | Exemplo |
|---|---|---|
| counter | contestar, refutar | The professor counters that the data is incomplete. |
| rebut | rebater | The new study rebuts the earlier findings. |
| dispute | contestar | Critics dispute the interpretation. |
| challenge | desafiar, contestar | This view is challenged by recent evidence. |
| undermine | enfraquecer | The new data undermines the hypothesis. |
| contradict | contradizer | These results contradict her theory. |
| complicate | complicar (a versão simples) | Real-world cases complicate this picture. |
| refute | refutar | The lecture refutes each point of the reading. |
| discredit | desacreditar | The findings discredit the original claim. |
| overturn | derrubar (uma teoria) | New evidence overturned the consensus. |
3. Causa e efeito
Frequente em lectures de história, biologia e economia.
| Inglês | Português | Exemplo |
|---|---|---|
| lead to | levar a | Pollution leads to ecosystem damage. |
| result in | resultar em | The reform resulted in better outcomes. |
| stem from | originar-se de | The problem stems from poor design. |
| arise from | surgir de | Conflicts often arise from misunderstanding. |
| trigger | desencadear | The drought triggered a famine. |
| prompt | provocar | The crisis prompted reform. |
| bring about | causar | The policy brought about change. |
| give rise to | dar origem a | New conditions gave rise to new species. |
| drive | impulsionar | Demand drives prices. |
| cause | causar | Stress causes hormonal changes. |
4. Evidências e exemplos
Sinaliza prova ou ilustração — alvo de questões Detail e Function.
| Inglês | Português | Exemplo |
|---|---|---|
| demonstrate | demonstrar | Studies demonstrate this effect. |
| illustrate | ilustrar | This case illustrates the principle. |
| indicate | indicar | Data indicates a downward trend. |
| reveal | revelar | The analysis reveals patterns. |
| show | mostrar | Research shows clear correlation. |
| support | apoiar (evidência) | Evidence supports this view. |
| confirm | confirmar | Results confirm the hypothesis. |
| document | documentar | Records document the trend. |
| substantiate | comprovar | Hard data substantiates the claim. |
| corroborate | corroborar | Independent studies corroborate the finding. |
5. Contrastar e qualificar
Conectivos avançados — substitua 'but' por estes no Writing.
| Inglês | Português | Exemplo |
|---|---|---|
| however | no entanto | The theory is appealing; however, evidence is weak. |
| nevertheless | mesmo assim | The cost is high; nevertheless, the benefit justifies it. |
| despite | apesar de | Despite criticism, the model remains useful. |
| whereas | ao passo que | Group A grew, whereas group B declined. |
| while | enquanto (contraste) | While X is common, Y is rare. |
| conversely | inversamente | Some prefer A; conversely, others prefer B. |
| on the other hand | por outro lado | On the other hand, costs are significant. |
| albeit | embora | Effective, albeit costly. |
| notwithstanding | apesar de | Notwithstanding the difficulty, success was achieved. |
| yet | porém | Small, yet significant. |
6. Conclusões e síntese
Use no fechamento de Speaking task 1 e do Academic Discussion.
| Inglês | Português | Exemplo |
|---|---|---|
| therefore | portanto | The data is clear; therefore, action is needed. |
| consequently | consequentemente | Demand fell; consequently, prices dropped. |
| thus | assim | Conditions improved; thus, output rose. |
| hence | daí | Hence the conclusion that... |
| accordingly | conforme | Accordingly, plans were revised. |
| as a result | como resultado | As a result, costs dropped. |
| ultimately | em última instância | Ultimately, the project succeeded. |
| in turn | por sua vez | Higher costs, in turn, reduce demand. |
| on balance | no geral | On balance, the benefits outweigh the risks. |
| all things considered | considerando tudo | All things considered, the policy works. |
7. Adjetivos avaliativos
Calibram intensidade — atenção em questões de Attitude.
| Inglês | Português | Exemplo |
|---|---|---|
| substantial | substancial | Substantial evidence supports this. |
| considerable | considerável | Considerable variation exists. |
| significant | significativo | A significant decline was observed. |
| negligible | negligenciável | The effect was negligible. |
| profound | profundo | Profound changes in policy. |
| marginal | marginal | Marginal improvements at best. |
| decisive | decisivo | A decisive moment in history. |
| compelling | convincente | Compelling evidence emerged. |
| plausible | plausível | A plausible interpretation. |
| dubious | duvidoso | Dubious claims require scrutiny. |
8. Mudança e processo
Comum em lectures de biologia, geologia e história.
| Inglês | Português | Exemplo |
|---|---|---|
| emerge | emergir | A new pattern emerged. |
| evolve | evoluir | The species evolved over millennia. |
| adapt | adaptar(-se) | Organisms adapt to environment. |
| transform | transformar | The reform transformed the institution. |
| deteriorate | deteriorar | Conditions deteriorated rapidly. |
| flourish | prosperar | Trade flourished in this era. |
| diminish | diminuir | Resources diminished. |
| dwindle | minguar | Stocks dwindled to almost nothing. |
| proliferate | proliferar | Species proliferated in this niche. |
| stagnate | estagnar | Productivity stagnated for years. |
9. Substantivos acadêmicos
Frequentes em passagens de Reading e prompts de Writing.
| Inglês | Português | Exemplo |
|---|---|---|
| hypothesis | hipótese | The hypothesis was tested. |
| paradigm | paradigma | A new paradigm emerged. |
| mechanism | mecanismo | The biological mechanism. |
| phenomenon | fenômeno (pl. phenomena) | This phenomenon is widespread. |
| discrepancy | discrepância | A discrepancy in the data. |
| anomaly | anomalia | An anomaly worth investigating. |
| paradox | paradoxo | An apparent paradox. |
| correlation | correlação | A strong correlation. |
| causation | causalidade | Correlation isn't causation. |
| implication | implicação | The implications are profound. |
10. Análise e raciocínio
Use ativamente no Speaking task 4 e Integrated Writing.
| Inglês | Português | Exemplo |
|---|---|---|
| infer | inferir | We can infer that... |
| deduce | deduzir | She deduced the answer. |
| derive | derivar | The conclusion is derived from data. |
| extrapolate | extrapolar | Extrapolating from the trend... |
| interpret | interpretar | The data is interpreted as... |
| synthesize | sintetizar | The author synthesizes multiple sources. |
| hypothesize | hipotetizar | Researchers hypothesized that... |
| postulate | postular | The theory postulates... |
| theorize | teorizar | Some theorize that... |
| speculate | especular | It's tempting to speculate... |
Pratique essas palavras em contexto
Estas 100 palavras aparecem nas 90 questões de Reading do nosso simulado, com gabarito comentado em português que mostra como cada uma é cobrada nos 9 tipos de questão oficiais.
TOEFL Prep Hub · simuladotoefl.com.br · Lista de vocabulário acadêmico para o TOEFL iBT — uso livre para estudo pessoal.