1. A single person or entity being studied, tested, or analyzed in research, psychology, or formal contexts
Each individual subject in the study was monitored for behavioral changes.
Cada sujeito individual no estudo foi monitorado quanto a mudanças comportamentais.
2. A person considered separately from others; a distinct human being
The rights of each individual subject must be respected in legal proceedings.
Os direitos de cada sujeito individual devem ser respeitados nos processos legais.
3. In grammar or linguistics, a single noun or pronoun that serves as the subject of a sentence
In the sentence 'He runs,' 'he' is the individual subject.
Na sentença 'Ele corre', 'ele' é o sujeito individual.