nonintrusive

/nɑnɪnˈtrusɪv/
adjective
  1. Not interfering or invading someone's privacy or space; unobtrusive.
    • Nonintrusive advertising respects the user's experience on the website.
    • She appreciated the nonintrusive way the guide let them explore the museum at their own pace.
    • The security system uses nonintrusive sensors that don't record personal conversations.
  2. In medicine or technology, not requiring entry into the body or disruption of a system.
    • Nonintrusive software updates run in the background without interrupting your work.
    • The archaeologist used nonintrusive scanning methods to examine the ancient artifact.
    • Doctors prefer nonintrusive tests like ultrasound over exploratory surgery.
What does "nonintrusive" mean? | whatsthatwordmean | whatsthatwordmean