benign

/bษชหˆnaษชn/

IPA: /B IH0 N AY1 N/

adjective
  1. 1

    Kind; gentle; mild.

  2. 2

    (of a climate or environment) mild and favorable

  3. 3

    (in combination) Not harmful to the environment.

    โ€œan ozone-benign refrigerantโ€

  4. 4

    Not posing any serious threat to health; not particularly aggressive or recurrent.

Source: https://en.wiktionary.org/wiki/benign