nonreactors
/ˌnɑnriˈæktərz/
noun
- People or things that do not respond to a stimulus, situation, or treatment.
- The teacher noticed that the nonreactors in the class rarely answered questions or participated in discussions.
- During the safety drill, the nonreactors ignored the alarm and continued working.
- In the medical trial, the nonreactors showed no improvement after taking the new drug.