What is the meaning of Duress?

Harsh treatment.

Constraint by threat.

Restraint in which a person is influenced, whether by lawful or unlawful forceful compulsion of their liberty by monition or implementation of physical enforcement; legally for the incurring of civil liability, of a citizen's arrest, or of subrogation, or illegally for the committing of an offense, of forcing a contract, or of using threats.

To put under duress; to pressure.

Source: wiktionary.org