What is the meaning of Relax?

To make something loose.

To relieve from constipation; to loosen; to open.

To become loose.

To relieve (someone or someone's mind) of stress; to enable to rest; to calm down.

To rest and become relieved of stress.

To make something less severe or tense.

To become less severe or tense.

To make something (such as codes and regulations) more lenient.

To become more lenient.

relaxed

relaxation (mental or physical)

relaxation

Source: wiktionary.org