1. a topic or matter being discussed, studied, or dealt with
2. an area of knowledge studied in school or college
3. a person or thing being discussed, described, or dealt with

1. to cause someone or something to experience or undergo something

1. likely or prone to be affected by something

Examples

• The subject of today’s lecture is World War II.
• Math is my favorite subject in school.
• The artist painted several subjects from nature.
• All subjects must obey the king’s laws.
• In the sentence ‘Dogs bark,’ the word ‘dogs’ is the subject.
• The new policy will subject employees to random drug tests.
• This area is subject to flooding during heavy rains.