1. not becoming tired or weary; showing persistent effort or energy

Examples

• She was an untiring advocate for children’s rights.
• His untiring efforts finally paid off when he got the promotion.
• The untiring volunteers worked through the night to help flood victims.
• Despite setbacks, she maintained an untiring commitment to her goals.
• The coach’s untiring dedication inspired the entire team.
• He showed untiring patience while teaching his elderly father to use the computer.