1. to become less tense, anxious, or rigid; to rest and become calm
2. to make something less tight, strict, or severe
3. to cause someone or something to become less tense or anxious

Examples

• She relaxes by reading a book after work.
• The warm bath relaxes her muscles.
• He relaxes the rules for special occasions.
• The teacher relaxes when the students behave well.
• Soft music relaxes the baby.
• The company relaxes its dress code on Fridays.
• She never relaxes during exam week.