1. not easily seen, heard, or detected; not attracting attention

Examples

• The scratch on the car was so small it was practically unnoticeable.
• She made unnoticeable changes to her appearance before the meeting.
• The background music was unnoticeable until someone pointed it out.
• His limp was almost unnoticeable after months of physical therapy.
• The price increase was unnoticeable to most customers.
• The actor’s makeup was so skillful that the scar was completely unnoticeable.