adjective

benign

bih-NYNE/bɪˈnaɪn/

Not harmful or threatening.

The benign growth remains contained without invading the surrounding tissue.

A compact anatomical comparison makes a benign growth recognizable through containment and preservation of surrounding tissue, contrasted with an invasive growth that disrupts it.
Etymology

The original image was “well born,” which came to describe a kindly or favorable character. Applied to a medical condition, that favorable quality becomes absence of harmful or dangerous behavior.

In context

Realidades Invisibles6:10
resemble benign conditions like food poisoning or gastritis flareups leading many to delay seeking medical assistance
Warning Signs Your Body Sends Before A Heart Attack

More examples

  • The program contains a benign error that affects no results.
  • Her benign expression puts the nervous child at ease.
  • The plants thrive in this benign climate.

Similar words

harmless
Directly states that something causes no damage.
gentle
Emphasizes mildness of manner, force, or effect.