subject
US /ˈsʌb.dʒekt/
UK /ˈsʌb.dʒekt/

1.
assunto, tema
a person or thing that is being discussed, described, or dealt with
:
•
The main subject of the meeting was the new budget.
O principal assunto da reunião era o novo orçamento.
•
She changed the subject when he brought up his ex-girlfriend.
Ela mudou de assunto quando ele mencionou a ex-namorada.
2.
disciplina, matéria
an area of knowledge studied in a school, college, or university
:
•
My favorite subject in high school was history.
Minha matéria favorita no ensino médio era história.
•
She is studying several different subjects at university.
Ela está estudando várias disciplinas diferentes na universidade.
3.
sujeito, cobaia
a person or animal that is used in an experiment or study
:
•
The new drug was tested on human subjects.
A nova droga foi testada em sujeitos humanos.
•
The research involved observing the behavior of animal subjects.
A pesquisa envolveu a observação do comportamento de sujeitos animais.
4.
sujeito
a person or thing forming the grammatical subject of a sentence
:
•
In the sentence 'The cat sat on the mat,' 'the cat' is the subject.
Na frase 'O gato sentou no tapete', 'o gato' é o sujeito.
5.
súdito, subordinado
a person or thing that is under the authority or control of another
:
•
All citizens are subjects of the king.
Todos os cidadãos são súditos do rei.
•
The conquered people became subjects of the empire.
O povo conquistado tornou-se súdito do império.
1.
sujeitar, expor
to cause or force someone or something to undergo a particular experience or be exposed to something
:
•
The new policy will subject all employees to stricter rules.
A nova política sujeitará todos os funcionários a regras mais rigorosas.
•
He was subjected to intense questioning by the police.
Ele foi submetido a um interrogatório intenso pela polícia.
1.
sujeito a, propenso a
likely to be affected by something
:
•
The prices are subject to change without notice.
Os preços estão sujeitos a alterações sem aviso prévio.
•
He is subject to fits of rage.
Ele está sujeito a ataques de raiva.