as a noun, 'subject' refers to a topic being discussed or studied, a branch of knowledge studied in school, or the main focus or entity in a sentence about which something is said.
'subject' can refer to a topic of conversation, study, or artistic representation. In grammar, the subject is the part of a sentence or clause that indicates what it is about.
The subject of today's lecture is quantum physics.
Who is the subject of this portrait?
In the sentence 'The cat slept,' 'The cat' is the subject.
don't confuse 'subject' with 'topic,' though they can sometimes be used interchangeably. A topic is a matter dealt with in a text or conversation, while a subject can be more specific or general. In emails, the 'subject' line indicates the main point or purpose of the message.
as a verb, 'subject' means to cause or force someone or something to undergo a particular experience, especially an unpleasant one.
The prisoners were subjected to harsh treatment.
The materials were subjected to rigorous testing.
She didn't want to subject her family to public scrutiny.
be cautious with the verb form, as it often implies a negative or forceful action. 'Subject' as a verb is not as commonly used as its noun form, so ensure it fits the context appropriately.