nonreactive
/nɑnriˈæktɪv/
adjective
- Not responding or reacting to something; not easily affected by a substance or situation.
- She remained nonreactive during the argument, which helped calm everyone down.
- Nonreactive cookware is safe for cooking acidic foods like tomatoes.
- The metal is nonreactive, so it won't rust when exposed to water.
Antonyms