1. to stop working permanently, especially because of old age
2. to go to bed
3. to withdraw or go away to a quiet or private place

Examples

• My grandfather will retire from teaching next year.
• She retired at age 65 after working for 40 years.
• The children retired to their rooms after dinner.
• I usually retire around 10 PM on weeknights.
• The judge retired to consider the verdict.
• The injured player had to retire from the match.
• After the party, we retired to the living room for coffee.