1. without causing or experiencing pain
2. without difficulty or trouble

Examples

• The dentist removed the tooth painlessly with local anesthesia.
• She transitioned painlessly from one job to another.
• The software update installed painlessly in just a few minutes.
• The injection was administered painlessly using a very thin needle.
• He painlessly solved the complex math problem.
• The old building was painlessly demolished without any complications.
• The patient recovered painlessly after the minor surgery.