English adjective: unreactive | |||
1. | unreactive (chemistry) not reacting chemically | ||
Similar | inactive, indifferent, inert, neutral, noble, stable | ||
Domain category | chemical science, chemistry, natural philosophy, physics | ||
Antonyms | reactive | ||
2. | unreactive not tending to react to stimulation | ||
Similar | insensitive | ||
Antonyms | sensitive | ||